diff --git a/dev/benchmarks/complex_layout/pubspec.yaml b/dev/benchmarks/complex_layout/pubspec.yaml
index 6d66b93c8ee..ea137543ded 100644
--- a/dev/benchmarks/complex_layout/pubspec.yaml
+++ b/dev/benchmarks/complex_layout/pubspec.yaml
@@ -19,20 +19,27 @@ dependencies:
 
   archive: 2.0.13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.6.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
@@ -43,7 +50,6 @@ dev_dependencies:
 
   _fe_analyzer_shared: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.39.17 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   cli_util: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   clock: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -64,21 +70,17 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_web_socket: 0.2.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   string_scanner: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
@@ -88,4 +90,4 @@ flutter:
     - packages/flutter_gallery_assets/people/square/ali.png
     - packages/flutter_gallery_assets/places/india_chettinad_silk_maker.png
 
-# PUBSPEC CHECKSUM: 6324
+# PUBSPEC CHECKSUM: 4929
diff --git a/dev/benchmarks/macrobenchmarks/pubspec.yaml b/dev/benchmarks/macrobenchmarks/pubspec.yaml
index ee88edbc9c8..b316a151357 100644
--- a/dev/benchmarks/macrobenchmarks/pubspec.yaml
+++ b/dev/benchmarks/macrobenchmarks/pubspec.yaml
@@ -19,20 +19,27 @@ dependencies:
 
   archive: 2.0.13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.6.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
@@ -43,7 +50,6 @@ dev_dependencies:
 
   _fe_analyzer_shared: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.39.17 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   cli_util: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   clock: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -64,21 +70,17 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_web_socket: 0.2.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   string_scanner: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
@@ -212,4 +214,4 @@ flutter:
       fonts:
         - asset: packages/flutter_gallery_assets/fonts/GalleryIcons.ttf
 
-# PUBSPEC CHECKSUM: f9f4
+# PUBSPEC CHECKSUM: 06f9
diff --git a/dev/benchmarks/platform_views_layout/pubspec.yaml b/dev/benchmarks/platform_views_layout/pubspec.yaml
index f106c69133b..faab7ce9fc8 100644
--- a/dev/benchmarks/platform_views_layout/pubspec.yaml
+++ b/dev/benchmarks/platform_views_layout/pubspec.yaml
@@ -18,20 +18,27 @@ dependencies:
 
   archive: 2.0.13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.6.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
@@ -41,7 +48,6 @@ dev_dependencies:
 
   _fe_analyzer_shared: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.39.17 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   cli_util: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   clock: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -62,21 +68,17 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_web_socket: 0.2.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   string_scanner: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
@@ -86,4 +88,4 @@ flutter:
     - packages/flutter_gallery_assets/people/square/ali.png
     - packages/flutter_gallery_assets/places/india_chettinad_silk_maker.png
 
-# PUBSPEC CHECKSUM: 977c
+# PUBSPEC CHECKSUM: 2b81
diff --git a/dev/benchmarks/platform_views_layout_hybrid_composition/pubspec.yaml b/dev/benchmarks/platform_views_layout_hybrid_composition/pubspec.yaml
index 3632358b2c3..33f4366b3c9 100644
--- a/dev/benchmarks/platform_views_layout_hybrid_composition/pubspec.yaml
+++ b/dev/benchmarks/platform_views_layout_hybrid_composition/pubspec.yaml
@@ -18,20 +18,27 @@ dependencies:
 
   archive: 2.0.13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.6.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
@@ -41,7 +48,6 @@ dev_dependencies:
 
   _fe_analyzer_shared: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.39.17 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   cli_util: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   clock: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -62,21 +68,17 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_web_socket: 0.2.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   string_scanner: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
@@ -86,4 +88,4 @@ flutter:
     - packages/flutter_gallery_assets/people/square/ali.png
     - packages/flutter_gallery_assets/places/india_chettinad_silk_maker.png
 
-# PUBSPEC CHECKSUM: 977c
+# PUBSPEC CHECKSUM: 2b81
diff --git a/dev/benchmarks/test_apps/stocks/pubspec.yaml b/dev/benchmarks/test_apps/stocks/pubspec.yaml
index fdb02b2a630..5924800e2c7 100644
--- a/dev/benchmarks/test_apps/stocks/pubspec.yaml
+++ b/dev/benchmarks/test_apps/stocks/pubspec.yaml
@@ -61,6 +61,7 @@ dev_dependencies:
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -78,6 +79,7 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -85,4 +87,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: a800
+# PUBSPEC CHECKSUM: 0d05
diff --git a/dev/integration_tests/android_semantics_testing/pubspec.yaml b/dev/integration_tests/android_semantics_testing/pubspec.yaml
index cd68b70e8df..ddec3514b19 100644
--- a/dev/integration_tests/android_semantics_testing/pubspec.yaml
+++ b/dev/integration_tests/android_semantics_testing/pubspec.yaml
@@ -31,6 +31,7 @@ dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -60,6 +61,7 @@ dependencies:
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -69,4 +71,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 5c71
+# PUBSPEC CHECKSUM: 3a76
diff --git a/dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/pubspec.yaml b/dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/pubspec.yaml
index 85f43620d69..c55eed65efd 100644
--- a/dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/pubspec.yaml
+++ b/dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/pubspec.yaml
@@ -64,6 +64,7 @@ dev_dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -90,6 +91,7 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -134,4 +136,4 @@ flutter:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
 
-# PUBSPEC CHECKSUM: 4c7f
+# PUBSPEC CHECKSUM: e284
diff --git a/dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/pubspec.yaml b/dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/pubspec.yaml
index 5ab206e34c2..4c76d68dff3 100644
--- a/dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/pubspec.yaml
+++ b/dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/pubspec.yaml
@@ -64,6 +64,7 @@ dev_dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -90,6 +91,7 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -134,4 +136,4 @@ flutter:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
 
-# PUBSPEC CHECKSUM: 4c7f
+# PUBSPEC CHECKSUM: e284
diff --git a/dev/integration_tests/android_views/pubspec.yaml b/dev/integration_tests/android_views/pubspec.yaml
index 2dbe4dd4c0c..78f56c3a803 100644
--- a/dev/integration_tests/android_views/pubspec.yaml
+++ b/dev/integration_tests/android_views/pubspec.yaml
@@ -19,11 +19,13 @@ dependencies:
 
   archive: 2.0.13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.6.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -33,11 +35,16 @@ dependencies:
   platform: 3.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   plugin_platform_interface: 1.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   process: 4.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   xdg_directories: 0.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
@@ -48,7 +55,6 @@ dev_dependencies:
 
   _fe_analyzer_shared: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.39.17 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   cli_util: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   clock: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -69,25 +75,21 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_web_socket: 0.2.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   string_scanner: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: becb
+# PUBSPEC CHECKSUM: d4d0
diff --git a/dev/integration_tests/channels/pubspec.yaml b/dev/integration_tests/channels/pubspec.yaml
index 08162a9f04a..40334c1fd88 100644
--- a/dev/integration_tests/channels/pubspec.yaml
+++ b/dev/integration_tests/channels/pubspec.yaml
@@ -33,6 +33,7 @@ dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -62,6 +63,7 @@ dependencies:
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -71,4 +73,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 5c71
+# PUBSPEC CHECKSUM: 3a76
diff --git a/dev/integration_tests/external_ui/pubspec.yaml b/dev/integration_tests/external_ui/pubspec.yaml
index c9fb187a320..19f9191c712 100644
--- a/dev/integration_tests/external_ui/pubspec.yaml
+++ b/dev/integration_tests/external_ui/pubspec.yaml
@@ -33,6 +33,7 @@ dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -62,6 +63,7 @@ dependencies:
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -71,4 +73,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 5c71
+# PUBSPEC CHECKSUM: 3a76
diff --git a/dev/integration_tests/flavors/pubspec.yaml b/dev/integration_tests/flavors/pubspec.yaml
index e6a7a595c9e..c0a05bb1f1a 100644
--- a/dev/integration_tests/flavors/pubspec.yaml
+++ b/dev/integration_tests/flavors/pubspec.yaml
@@ -33,6 +33,7 @@ dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -62,6 +63,7 @@ dependencies:
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -71,4 +73,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 5c71
+# PUBSPEC CHECKSUM: 3a76
diff --git a/dev/integration_tests/flutter_driver_screenshot_test/pubspec.yaml b/dev/integration_tests/flutter_driver_screenshot_test/pubspec.yaml
index a213ff1a9bc..7a878d65210 100644
--- a/dev/integration_tests/flutter_driver_screenshot_test/pubspec.yaml
+++ b/dev/integration_tests/flutter_driver_screenshot_test/pubspec.yaml
@@ -14,6 +14,7 @@ dependencies:
 
   archive: 2.0.13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.6.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.15.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -21,15 +22,21 @@ dependencies:
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   device_info_platform_interface: 1.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   plugin_platform_interface: 1.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
@@ -37,7 +44,6 @@ dev_dependencies:
 
   _fe_analyzer_shared: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.39.17 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   cli_util: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   coverage: 0.14.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -56,21 +62,17 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_web_socket: 0.2.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   string_scanner: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
@@ -79,4 +81,4 @@ flutter:
   assets:
     - assets/
 
-# PUBSPEC CHECKSUM: e9a2
+# PUBSPEC CHECKSUM: d5a7
diff --git a/dev/integration_tests/flutter_gallery/pubspec.yaml b/dev/integration_tests/flutter_gallery/pubspec.yaml
index 07add2439b1..82675d06f6c 100644
--- a/dev/integration_tests/flutter_gallery/pubspec.yaml
+++ b/dev/integration_tests/flutter_gallery/pubspec.yaml
@@ -73,6 +73,7 @@ dev_dependencies:
   http_multi_server: 2.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -97,6 +98,7 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -274,4 +276,4 @@ flutter:
       - asset: packages/flutter_gallery_assets/fonts/merriweather/Merriweather-Regular.ttf
       - asset: packages/flutter_gallery_assets/fonts/merriweather/Merriweather-Light.ttf
 
-# PUBSPEC CHECKSUM: 6c29
+# PUBSPEC CHECKSUM: 672e
diff --git a/dev/integration_tests/hybrid_android_views/pubspec.yaml b/dev/integration_tests/hybrid_android_views/pubspec.yaml
index eeacf03d922..d13d6ec3aea 100644
--- a/dev/integration_tests/hybrid_android_views/pubspec.yaml
+++ b/dev/integration_tests/hybrid_android_views/pubspec.yaml
@@ -19,11 +19,13 @@ dependencies:
 
   archive: 2.0.13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.6.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   characters: 1.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -33,11 +35,16 @@ dependencies:
   platform: 3.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   plugin_platform_interface: 1.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   process: 4.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   xdg_directories: 0.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
@@ -48,7 +55,6 @@ dev_dependencies:
 
   _fe_analyzer_shared: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.39.17 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  async: 2.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   cli_util: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   clock: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -69,25 +75,21 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_web_socket: 0.2.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   string_scanner: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: becb
+# PUBSPEC CHECKSUM: d4d0
diff --git a/dev/integration_tests/ios_platform_view_tests/pubspec.yaml b/dev/integration_tests/ios_platform_view_tests/pubspec.yaml
index e192175d5a6..9c520610b09 100644
--- a/dev/integration_tests/ios_platform_view_tests/pubspec.yaml
+++ b/dev/integration_tests/ios_platform_view_tests/pubspec.yaml
@@ -43,6 +43,7 @@ dev_dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -69,6 +70,7 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -82,4 +84,4 @@ flutter:
   # the material Icons class.
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: b4dc
+# PUBSPEC CHECKSUM: a8e1
diff --git a/dev/integration_tests/platform_interaction/pubspec.yaml b/dev/integration_tests/platform_interaction/pubspec.yaml
index c9e08db24cc..d3b434645e8 100644
--- a/dev/integration_tests/platform_interaction/pubspec.yaml
+++ b/dev/integration_tests/platform_interaction/pubspec.yaml
@@ -33,6 +33,7 @@ dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -62,6 +63,7 @@ dependencies:
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -71,4 +73,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 5c71
+# PUBSPEC CHECKSUM: 3a76
diff --git a/dev/integration_tests/release_smoke_test/pubspec.yaml b/dev/integration_tests/release_smoke_test/pubspec.yaml
index 2af4299cfaf..43d2f452d10 100644
--- a/dev/integration_tests/release_smoke_test/pubspec.yaml
+++ b/dev/integration_tests/release_smoke_test/pubspec.yaml
@@ -30,8 +30,10 @@ dev_dependencies:
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   fake_async: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 6.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -39,7 +41,8 @@ dev_dependencies:
   sync_http: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   term_glyph: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: a26a
+# PUBSPEC CHECKSUM: 6126
diff --git a/dev/integration_tests/ui/pubspec.yaml b/dev/integration_tests/ui/pubspec.yaml
index ed411e258d7..60fdf1c68a2 100644
--- a/dev/integration_tests/ui/pubspec.yaml
+++ b/dev/integration_tests/ui/pubspec.yaml
@@ -34,6 +34,7 @@ dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -63,6 +64,7 @@ dependencies:
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -81,4 +83,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 820c
+# PUBSPEC CHECKSUM: 5e11
diff --git a/dev/integration_tests/ui/test_driver/license_check_test.dart b/dev/integration_tests/ui/test_driver/license_check_test.dart
index 3e1fce9a315..38169a89c76 100644
--- a/dev/integration_tests/ui/test_driver/license_check_test.dart
+++ b/dev/integration_tests/ui/test_driver/license_check_test.dart
@@ -2,11 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:async';
 import 'dart:io';
 
 import 'package:flutter_driver/flutter_driver.dart';
 import 'package:path/path.dart' as path;
 import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
+import 'package:vm_service_client/vm_service_client.dart';
 
 // Connect and disconnect from the empty app.
 void main() {
@@ -21,15 +23,19 @@ void main() {
 
   group('License file check', () {
     FlutterDriver driver;
+    IsolatesWorkaround workaround;
 
     setUpAll(() async {
       driver = await FlutterDriver.connect();
+      workaround = IsolatesWorkaround(driver);
+      await workaround.resumeIsolates();
       await driver.waitUntilFirstFrameRasterized();
     });
 
     tearDownAll(() async {
       if (driver != null) {
         await driver.close();
+        await workaround.tearDown();
       }
     });
 
@@ -51,3 +57,40 @@ void main() {
     });
   });
 }
+
+/// Workaround for isolates being paused by driver tests.
+/// https://github.com/flutter/flutter/issues/24703
+class IsolatesWorkaround {
+  IsolatesWorkaround(this._driver);
+
+  final FlutterDriver _driver;
+  StreamSubscription<VMIsolateRef> _streamSubscription;
+
+  Future<void> resumeIsolates() async {
+    final VM vm = await _driver.serviceClient.getVM();
+    // Resume any paused isolate
+    for (final VMIsolateRef isolateRef in vm.isolates) {
+      final VMIsolate isolate = await isolateRef.load();
+      if (isolate.isPaused) {
+        isolate.resume();
+      }
+    }
+    if (_streamSubscription != null) {
+      return;
+    }
+    _streamSubscription = _driver.serviceClient.onIsolateRunnable
+        .asBroadcastStream()
+        .listen((VMIsolateRef isolateRef) async {
+      final VMIsolate isolate = await isolateRef.load();
+      if (isolate.isPaused) {
+        isolate.resume();
+      }
+    });
+  }
+
+  Future<void> tearDown() async {
+    if (_streamSubscription != null) {
+      await _streamSubscription.cancel();
+    }
+  }
+}
diff --git a/dev/integration_tests/web_e2e_tests/pubspec.yaml b/dev/integration_tests/web_e2e_tests/pubspec.yaml
index 94d0f9fdf7a..9e114b7d27f 100644
--- a/dev/integration_tests/web_e2e_tests/pubspec.yaml
+++ b/dev/integration_tests/web_e2e_tests/pubspec.yaml
@@ -44,6 +44,7 @@ dev_dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -70,10 +71,11 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: 7093
+# PUBSPEC CHECKSUM: c598
diff --git a/examples/hello_world/pubspec.yaml b/examples/hello_world/pubspec.yaml
index ae5037e3e0e..4a1887a3139 100644
--- a/examples/hello_world/pubspec.yaml
+++ b/examples/hello_world/pubspec.yaml
@@ -42,6 +42,7 @@ dev_dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -68,10 +69,11 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: b4dc
+# PUBSPEC CHECKSUM: a8e1
diff --git a/examples/platform_channel/pubspec.yaml b/examples/platform_channel/pubspec.yaml
index 375e8a04bcb..7a7bd8189d8 100644
--- a/examples/platform_channel/pubspec.yaml
+++ b/examples/platform_channel/pubspec.yaml
@@ -42,6 +42,7 @@ dev_dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -68,6 +69,7 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -77,4 +79,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: b4dc
+# PUBSPEC CHECKSUM: a8e1
diff --git a/examples/platform_channel_swift/pubspec.yaml b/examples/platform_channel_swift/pubspec.yaml
index aea191f5807..dad11087cd4 100644
--- a/examples/platform_channel_swift/pubspec.yaml
+++ b/examples/platform_channel_swift/pubspec.yaml
@@ -42,6 +42,7 @@ dev_dependencies:
   http_parser: 3.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.3-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   mime: 0.9.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -68,6 +69,7 @@ dev_dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -77,4 +79,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: b4dc
+# PUBSPEC CHECKSUM: a8e1
diff --git a/packages/_flutter_web_build_script/pubspec.yaml b/packages/_flutter_web_build_script/pubspec.yaml
index 9b855f92007..c413170c5cd 100644
--- a/packages/_flutter_web_build_script/pubspec.yaml
+++ b/packages/_flutter_web_build_script/pubspec.yaml
@@ -66,7 +66,7 @@ dependencies:
   protobuf: 1.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pubspec_parse: 0.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  quiver: 2.1.4+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  quiver: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   scratch_space: 0.0.4+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -93,4 +93,4 @@ dartdoc:
   # Exclude this package from the hosted API docs.
   nodoc: true
 
-# PUBSPEC CHECKSUM: dce5
+# PUBSPEC CHECKSUM: 3d88
diff --git a/packages/flutter_driver/lib/src/driver/driver.dart b/packages/flutter_driver/lib/src/driver/driver.dart
index b049ba5c5e3..1703b5e293b 100644
--- a/packages/flutter_driver/lib/src/driver/driver.dart
+++ b/packages/flutter_driver/lib/src/driver/driver.dart
@@ -6,8 +6,9 @@
 
 import 'dart:io';
 
+import 'package:json_rpc_2/json_rpc_2.dart' as rpc;
 import 'package:meta/meta.dart';
-import 'package:vm_service/vm_service.dart' as vms;
+import 'package:vm_service_client/vm_service_client.dart';
 import 'package:webdriver/async_io.dart' as async_io;
 
 import '../common/diagnostics_tree.dart';
@@ -91,50 +92,53 @@ abstract class FlutterDriver {
   FlutterDriver();
 
   /// Creates a driver that uses a connection provided by either the combination
-  /// of [webConnection], or the combination of [serviceClient] and [appIsolate]
-  /// for the VM.
+  /// of [webConnection], or the combination of [serviceClient],
+  /// [peer] and [appIsolate]
   @visibleForTesting
   factory FlutterDriver.connectedTo({
     FlutterWebConnection webConnection,
-    vms.VmService serviceClient,
-    vms.Isolate appIsolate,
+    VMServiceClient serviceClient,
+    rpc.Peer peer,
+    VMIsolate appIsolate,
   }) {
     if (webConnection != null) {
       return WebFlutterDriver.connectedTo(webConnection);
     }
-    return VMServiceFlutterDriver.connectedTo(serviceClient, appIsolate);
+    return VMServiceFlutterDriver.connectedTo(serviceClient, peer, appIsolate);
   }
 
   /// Connects to a Flutter application.
   ///
   /// Resumes the application if it is currently paused (e.g. at a breakpoint).
   ///
-  /// The `dartVmServiceUrl` parameter is the URL to Dart observatory
-  /// (a.k.a. VM service). If not specified, the URL specified by the
-  /// `VM_SERVICE_URL` environment variable is used. One or the other must be
-  /// specified.
+  /// `dartVmServiceUrl` is the URL to Dart observatory (a.k.a. VM service). If
+  /// not specified, the URL specified by the `VM_SERVICE_URL` environment
+  /// variable is used. One or the other must be specified.
   ///
-  /// The `printCommunication` parameter determines whether the command
-  /// communication between the test and the app should be printed to stdout.
+  /// `printCommunication` determines whether the command communication between
+  /// the test and the app should be printed to stdout.
   ///
-  /// The `logCommunicationToFile` parameter determines whether the command
-  /// communication between the test and the app should be logged to
-  /// `flutter_driver_commands.log`.
+  /// `logCommunicationToFile` determines whether the command communication
+  /// between the test and the app should be logged to `flutter_driver_commands.log`.
   ///
-  /// The `isolateNumber` parameter determines the specific isolate to connect
-  /// to. If this is left as `null`, will connect to the first isolate found
+  /// `isolateNumber` determines the specific isolate to connect to.
+  /// If this is left as `null`, will connect to the first isolate found
   /// running on `dartVmServiceUrl`.
   ///
-  /// The `fuchsiaModuleTarget` parameter specifies the pattern for determining
-  /// which mod to control. When running on a Fuchsia device, either this or the
-  /// environment variable `FUCHSIA_MODULE_TARGET` must be set (the environment
-  /// variable is treated as a substring pattern). This field will be ignored if
+  /// `fuchsiaModuleTarget` specifies the pattern for determining which mod to
+  /// control. When running on a Fuchsia device, either this or the environment
+  /// variable `FUCHSIA_MODULE_TARGET` must be set (the environment variable is
+  /// treated as a substring pattern). This field will be ignored if
   /// `isolateNumber` is set, as this is already enough information to connect
-  /// to an isolate. This parameter is ignored on non-fuchsia devices.
+  /// to an isolate.
   ///
-  /// The `headers` parameter optionally specifies HTTP headers to be included
-  /// in the [WebSocket] connection. This is only used for
-  /// [VMServiceFlutterDriver] connections.
+  /// `headers` optionally specifies HTTP headers to be included in the
+  /// [WebSocket] connection. This is only used for [VMServiceFlutterDriver]
+  /// connections.
+  ///
+  /// `browser` specifies which FlutterDriver implementation to use. If not
+  /// speicifed or set to false, [VMServiceFlutterDriver] implementation
+  /// will be used. Otherwise, [WebFlutterDriver] implementation will be used.
   ///
   /// The return value is a future. This method never times out, though it may
   /// fail (completing with an error). A timeout can be applied by the caller
@@ -152,20 +156,20 @@ abstract class FlutterDriver {
       return WebFlutterDriver.connectWeb(hostUrl: dartVmServiceUrl, timeout: timeout);
     }
     return VMServiceFlutterDriver.connect(
-      dartVmServiceUrl: dartVmServiceUrl,
-      printCommunication: printCommunication,
-      logCommunicationToFile: logCommunicationToFile,
-      isolateNumber: isolateNumber,
-      fuchsiaModuleTarget: fuchsiaModuleTarget,
-      headers: headers,
+              dartVmServiceUrl: dartVmServiceUrl,
+              printCommunication: printCommunication,
+              logCommunicationToFile: logCommunicationToFile,
+              isolateNumber: isolateNumber,
+              fuchsiaModuleTarget: fuchsiaModuleTarget,
+              headers: headers,
     );
   }
 
   /// Getter of appIsolate.
-  vms.Isolate get appIsolate => throw UnimplementedError();
+  VMIsolate get appIsolate => throw UnimplementedError();
 
   /// Getter of serviceClient.
-  vms.VmService get serviceClient => throw UnimplementedError();
+  VMServiceClient get serviceClient => throw UnimplementedError();
 
   /// Getter of webDriver.
   async_io.WebDriver get webDriver => throw UnimplementedError();
diff --git a/packages/flutter_driver/lib/src/driver/vmservice_driver.dart b/packages/flutter_driver/lib/src/driver/vmservice_driver.dart
index 6448d27bdc8..2074f7ee411 100644
--- a/packages/flutter_driver/lib/src/driver/vmservice_driver.dart
+++ b/packages/flutter_driver/lib/src/driver/vmservice_driver.dart
@@ -10,9 +10,11 @@ import 'dart:io';
 
 import 'package:file/file.dart' as f;
 import 'package:fuchsia_remote_debug_protocol/fuchsia_remote_debug_protocol.dart' as fuchsia;
+import 'package:json_rpc_2/json_rpc_2.dart' as rpc;
 import 'package:meta/meta.dart';
 import 'package:path/path.dart' as p;
-import 'package:vm_service/vm_service.dart' as vms;
+import 'package:vm_service_client/vm_service_client.dart';
+import 'package:web_socket_channel/io.dart';
 import 'package:webdriver/async_io.dart' as async_io;
 
 import '../../flutter_driver.dart';
@@ -27,15 +29,16 @@ import 'timeline.dart';
 /// An implementation of the Flutter Driver over the vmservice protocol.
 class VMServiceFlutterDriver extends FlutterDriver {
   /// Creates a driver that uses a connection provided by the given
-  /// [serviceClient] and [appIsolate].
+  /// [serviceClient], [_peer] and [appIsolate].
   VMServiceFlutterDriver.connectedTo(
-    this._serviceClient,
-    this._appIsolate, {
-      bool printCommunication = false,
-      bool logCommunicationToFile = true,
-    }) : _printCommunication = printCommunication,
-      _logCommunicationToFile = logCommunicationToFile,
-      _driverId = _nextDriverId++;
+      this._serviceClient,
+      this._peer,
+      this._appIsolate, {
+        bool printCommunication = false,
+        bool logCommunicationToFile = true,
+      }) : _printCommunication = printCommunication,
+        _logCommunicationToFile = logCommunicationToFile,
+        _driverId = _nextDriverId++;
 
   /// Connects to a Flutter application.
   ///
@@ -63,15 +66,14 @@ class VMServiceFlutterDriver extends FlutterDriver {
       if (fuchsiaModuleTarget == null) {
         throw DriverError(
             'No Fuchsia module target has been specified.\n'
-            'Please make sure to specify the FUCHSIA_MODULE_TARGET '
-            'environment variable.'
+                'Please make sure to specify the FUCHSIA_MODULE_TARGET '
+                'environment variable.'
         );
       }
-      final fuchsia.FuchsiaRemoteConnection fuchsiaConnection = await FuchsiaCompat.connect();
-      final List<fuchsia.IsolateRef> refs = await fuchsiaConnection.getMainIsolatesByPattern(fuchsiaModuleTarget);
-      if (refs.isEmpty) {
-        throw DriverError('Failed to get any isolate refs!');
-      }
+      final fuchsia.FuchsiaRemoteConnection fuchsiaConnection =
+      await FuchsiaCompat.connect();
+      final List<fuchsia.IsolateRef> refs =
+      await fuchsiaConnection.getMainIsolatesByPattern(fuchsiaModuleTarget);
       final fuchsia.IsolateRef ref = refs.first;
       isolateNumber = ref.number;
       dartVmServiceUrl = ref.dartVm.uri.toString();
@@ -84,19 +86,21 @@ class VMServiceFlutterDriver extends FlutterDriver {
     if (dartVmServiceUrl == null) {
       throw DriverError(
           'Could not determine URL to connect to application.\n'
-          'Either the VM_SERVICE_URL environment variable should be set, or an explicit '
-          'URL should be provided to the FlutterDriver.connect() method.'
+              'Either the VM_SERVICE_URL environment variable should be set, or an explicit '
+              'URL should be provided to the FlutterDriver.connect() method.'
       );
     }
 
     // Connect to Dart VM services
     _log('Connecting to Flutter application at $dartVmServiceUrl');
-    final vms.VmService client = await vmServiceConnectFunction(dartVmServiceUrl, headers);
+    final VMServiceClientConnection connection =
+    await vmServiceConnectFunction(dartVmServiceUrl, headers: headers);
+    final VMServiceClient client = connection.client;
 
-    Future<vms.IsolateRef> _waitForRootIsolate() async {
-      bool _checkIsolate(vms.IsolateRef ref) => ref.number == isolateNumber.toString();
+    Future<VMIsolateRef> _waitForRootIsolate() async {
+      bool _checkIsolate(VMIsolateRef ref) => ref.number == isolateNumber;
       while (true) {
-        final vms.VM vm = await client.getVM();
+        final VM vm = await client.getVM();
         if (vm.isolates.isEmpty || (isolateNumber != null && !vm.isolates.any(_checkIsolate))) {
           await Future<void>.delayed(_kPauseBetweenReconnectAttempts);
           continue;
@@ -107,7 +111,7 @@ class VMServiceFlutterDriver extends FlutterDriver {
       }
     }
 
-    final vms.IsolateRef isolateRef = await _warnIfSlow<vms.IsolateRef>(
+    final VMIsolateRef isolateRef = await _warnIfSlow<VMIsolateRef>(
       future: _waitForRootIsolate(),
       timeout: kUnusuallyLongTimeout,
       message: isolateNumber == null
@@ -115,42 +119,60 @@ class VMServiceFlutterDriver extends FlutterDriver {
         : 'Isolate $isolateNumber is taking an unusually long time to start.',
     );
     _log('Isolate found with number: ${isolateRef.number}');
-    vms.Isolate isolate = await client.getIsolate(isolateRef.id);
 
-    if (isolate.pauseEvent.kind == vms.EventKind.kNone) {
-      isolate = await client.getIsolate(isolateRef.id);
+    VMIsolate isolate = await isolateRef.loadRunnable();
+
+    // TODO(yjbanov): vm_service_client does not support "None" pause event yet.
+    // It is currently reported as null, but we cannot rely on it because
+    // eventually the event will be reported as a non-null object. For now,
+    // list all the events we know about. Later we'll check for "None" event
+    // explicitly.
+    //
+    // See: https://github.com/dart-lang/vm_service_client/issues/4
+    if (isolate.pauseEvent is! VMPauseStartEvent &&
+        isolate.pauseEvent is! VMPauseExitEvent &&
+        isolate.pauseEvent is! VMPauseBreakpointEvent &&
+        isolate.pauseEvent is! VMPauseExceptionEvent &&
+        isolate.pauseEvent is! VMPauseInterruptedEvent &&
+        isolate.pauseEvent is! VMResumeEvent) {
+      isolate = await isolateRef.loadRunnable();
     }
 
     final VMServiceFlutterDriver driver = VMServiceFlutterDriver.connectedTo(
-      client,
-      isolate,
+      client, connection.peer, isolate,
       printCommunication: printCommunication,
       logCommunicationToFile: logCommunicationToFile,
     );
 
+    driver._dartVmReconnectUrl = dartVmServiceUrl;
+
     // Attempts to resume the isolate, but does not crash if it fails because
     // the isolate is already resumed. There could be a race with other tools,
     // such as a debugger, any of which could have resumed the isolate.
-    Future<vms.Success> resumeLeniently() async {
+    Future<dynamic> resumeLeniently() async {
       _log('Attempting to resume isolate');
       // Let subsequent isolates start automatically.
       try {
-        final vms.Response result = await client.setFlag('pause_isolates_on_start', 'false');
-        if (result == null || result.type != 'Success') {
+        final Map<String, dynamic> result =
+            await connection.peer.sendRequest('setFlag', <String, String>{
+          'name': 'pause_isolates_on_start',
+          'value': 'false',
+        }) as Map<String, dynamic>;
+        if (result == null || result['type'] != 'Success') {
           _log('setFlag failure: $result');
         }
       } catch (e) {
         _log('Failed to set pause_isolates_on_start=false, proceeding. Error: $e');
       }
 
-      return client.resume(isolate.id).catchError((dynamic e) {
+      return isolate.resume().catchError((dynamic e) {
         const int vmMustBePausedCode = 101;
-        if (e is vms.RPCError && e.code == vmMustBePausedCode) {
+        if (e is rpc.RpcException && e.code == vmMustBePausedCode) {
           // No biggie; something else must have resumed the isolate
           _log(
               'Attempted to resume an already resumed isolate. This may happen '
-              'when another tool (usually a debugger) resumed the isolate '
-              'before the flutter_driver did.'
+                  'when we lose a race with another tool (usually a debugger) that '
+                  'is connected to the same isolate.'
           );
         } else {
           // Failed to resume due to another reason. Fail hard.
@@ -164,12 +186,10 @@ class VMServiceFlutterDriver extends FlutterDriver {
     /// Looks at the list of loaded extensions for the current [isolateRef], as
     /// well as the stream of added extensions.
     Future<void> waitForServiceExtension() async {
-      await client.streamListen(vms.EventStreams.kIsolate);
-
-      final Future<void> extensionAlreadyAdded = client
-        .getIsolate(isolateRef.id)
-        .then((vms.Isolate isolate) async {
-          if (isolate.extensionRPCs.contains(_flutterExtensionMethodName)) {
+      final Future<void> extensionAlreadyAdded = isolateRef
+        .loadRunnable()
+        .then((VMIsolate isolate) async {
+          if (isolate.extensionRpcs.contains(_flutterExtensionMethodName)) {
             return;
           }
           // Never complete. Rely on the stream listener to find the service
@@ -178,49 +198,60 @@ class VMServiceFlutterDriver extends FlutterDriver {
         });
 
       final Completer<void> extensionAdded = Completer<void>();
-      StreamSubscription<vms.Event> isolateAddedSubscription;
-
-      isolateAddedSubscription = client.onIsolateEvent.listen(
-        (vms.Event data) {
-          if (data.kind == vms.EventKind.kServiceExtensionAdded && data.extensionRPC == _flutterExtensionMethodName) {
+      StreamSubscription<String> isolateAddedSubscription;
+      isolateAddedSubscription = isolate.onExtensionAdded.listen(
+        (String extensionName) {
+          if (extensionName == _flutterExtensionMethodName) {
             extensionAdded.complete();
             isolateAddedSubscription.cancel();
           }
         },
         onError: extensionAdded.completeError,
-        cancelOnError: true,
-      );
+        cancelOnError: true);
 
       await Future.any(<Future<void>>[
         extensionAlreadyAdded,
         extensionAdded.future,
       ]);
-      await isolateAddedSubscription.cancel();
-      await client.streamCancel(vms.EventStreams.kIsolate);
+    }
+
+    /// Tells the Dart VM Service to notify us about "Isolate" events.
+    ///
+    /// This is a workaround for an issue in package:vm_service_client, which
+    /// subscribes to the "Isolate" stream lazily upon subscription, which
+    /// results in lost events.
+    ///
+    /// Details: https://github.com/dart-lang/vm_service_client/issues/17
+    Future<void> enableIsolateStreams() async {
+      await connection.peer.sendRequest('streamListen', <String, String>{
+        'streamId': 'Isolate',
+      });
     }
 
     // Attempt to resume isolate if it was paused
-    if (isolate.pauseEvent.kind == vms.EventKind.kPauseStart) {
+    if (isolate.pauseEvent is VMPauseStartEvent) {
       _log('Isolate is paused at start.');
 
       await resumeLeniently();
-    } else if (isolate.pauseEvent.kind == vms.EventKind.kPauseExit ||
-        isolate.pauseEvent.kind == vms.EventKind.kPauseBreakpoint ||
-        isolate.pauseEvent.kind == vms.EventKind.kPauseException ||
-        isolate.pauseEvent.kind == vms.EventKind.kPauseInterrupted) {
+    } else if (isolate.pauseEvent is VMPauseExitEvent ||
+        isolate.pauseEvent is VMPauseBreakpointEvent ||
+        isolate.pauseEvent is VMPauseExceptionEvent ||
+        isolate.pauseEvent is VMPauseInterruptedEvent) {
       // If the isolate is paused for any other reason, assume the extension is
       // already there.
       _log('Isolate is paused mid-flight.');
       await resumeLeniently();
-    } else if (isolate.pauseEvent.kind == vms.EventKind.kResume) {
+    } else if (isolate.pauseEvent is VMResumeEvent) {
       _log('Isolate is not paused. Assuming application is ready.');
     } else {
       _log(
           'Unknown pause event type ${isolate.pauseEvent.runtimeType}. '
-          'Assuming application is ready.'
+              'Assuming application is ready.'
       );
     }
 
+    await enableIsolateStreams();
+
     // We will never receive the extension event if the user does not register
     // it. If that happens, show a message but continue waiting.
     await _warnIfSlow<void>(
@@ -234,8 +265,7 @@ class VMServiceFlutterDriver extends FlutterDriver {
 
     final Health health = await driver.checkHealth();
     if (health.status != HealthStatus.ok) {
-      client.dispose();
-      await client.onDone;
+      await client.close();
       throw DriverError('Flutter application health check failed.');
     }
 
@@ -246,6 +276,9 @@ class VMServiceFlutterDriver extends FlutterDriver {
   static int _nextDriverId = 0;
 
   static const String _flutterExtensionMethodName = 'ext.flutter.driver';
+  static const String _setVMTimelineFlagsMethodName = 'setVMTimelineFlags';
+  static const String _getVMTimelineMethodName = 'getVMTimeline';
+  static const String _clearVMTimelineMethodName = 'clearVMTimeline';
   static const String _collectAllGarbageMethodName = '_collectAllGarbage';
 
   // The additional blank line in the beginning is for _log.
@@ -266,19 +299,42 @@ class VMServiceFlutterDriver extends FlutterDriver {
   /// The unique ID of this driver instance.
   final int _driverId;
 
-  @override
-  vms.Isolate get appIsolate => _appIsolate;
-
   /// Client connected to the Dart VM running the Flutter application.
   ///
   /// You can use [VMServiceClient] to check VM version, flags and get
   /// notified when a new isolate has been instantiated. That could be
   /// useful if your application spawns multiple isolates that you
   /// would like to instrument.
-  final vms.VmService _serviceClient;
+  final VMServiceClient _serviceClient;
+
+  /// JSON-RPC client useful for sending raw JSON requests.
+  rpc.Peer _peer;
+
+  String _dartVmReconnectUrl;
+
+  Future<void> _restorePeerConnectionIfNeeded() async {
+    if (!_peer.isClosed || _dartVmReconnectUrl == null) {
+      return;
+    }
+
+    _log(
+        'Peer connection is closed! Trying to restore the connection...'
+    );
+
+    final String webSocketUrl = _getWebSocketUrl(_dartVmReconnectUrl);
+    final WebSocket ws = await WebSocket.connect(webSocketUrl);
+    ws.done.whenComplete(() => _checkCloseCode(ws));
+    _peer = rpc.Peer(
+      IOWebSocketChannel(ws).cast(),
+      onUnhandledError: _unhandledJsonRpcError,
+    )..listen();
+  }
 
   @override
-  vms.VmService get serviceClient => _serviceClient;
+  VMIsolate get appIsolate => _appIsolate;
+
+  @override
+  VMServiceClient get serviceClient => _serviceClient;
 
   @override
   async_io.WebDriver get webDriver => throw UnsupportedError('VMServiceFlutterDriver does not support webDriver');
@@ -286,9 +342,9 @@ class VMServiceFlutterDriver extends FlutterDriver {
   /// The main isolate hosting the Flutter application.
   ///
   /// If you used the [registerExtension] API to instrument your application,
-  /// you can use this [vms.Isolate] to call these extension methods via
+  /// you can use this [VMIsolate] to call these extension methods via
   /// [invokeExtension].
-  final vms.Isolate _appIsolate;
+  final VMIsolate _appIsolate;
 
   /// Whether to print communication between host and app to `stdout`.
   final bool _printCommunication;
@@ -307,11 +363,10 @@ class VMServiceFlutterDriver extends FlutterDriver {
     try {
       final Map<String, String> serialized = command.serialize();
       _logCommunication('>>> $serialized');
-      final Future<Map<String, dynamic>> future = _serviceClient.callServiceExtension(
+      final Future<Map<String, dynamic>> future = _appIsolate.invokeExtension(
         _flutterExtensionMethodName,
-        isolateId: _appIsolate.id,
-        args: serialized,
-      ).then<Map<String, dynamic>>((vms.Response value) => value.json);
+        serialized,
+      ).then<Map<String, dynamic>>((Object value) => value as Map<String, dynamic>);
       response = await _warnIfSlow<Map<String, dynamic>>(
         future: future,
         timeout: command.timeout ?? kUnusuallyLongTimeout,
@@ -344,20 +399,21 @@ class VMServiceFlutterDriver extends FlutterDriver {
   Future<List<int>> screenshot() async {
     await Future<void>.delayed(const Duration(seconds: 2));
 
-    final vms.Response result = await _serviceClient.callMethod('_flutter.screenshot');
-    return base64.decode(result.json['screenshot'] as String);
+    final Map<String, dynamic> result = await _peer.sendRequest('_flutter.screenshot') as Map<String, dynamic>;
+    return base64.decode(result['screenshot'] as String);
   }
 
   @override
   Future<List<Map<String, dynamic>>> getVmFlags() async {
-    final vms.FlagList result = await _serviceClient.getFlagList();
+    await _restorePeerConnectionIfNeeded();
+    final Map<String, dynamic> result = await _peer.sendRequest('getFlagList') as Map<String, dynamic>;
     return result != null
-        ? result.flags.map((vms.Flag flag) => flag.toJson()).toList()
+        ? (result['flags'] as List<dynamic>).cast<Map<String,dynamic>>()
         : const <Map<String, dynamic>>[];
   }
 
-  Future<vms.Timestamp> _getVMTimelineMicros() async {
-    return await _serviceClient.getVMTimelineMicros();
+  Future<Map<String, Object>> _getVMTimelineMicros() async {
+    return await _peer.sendRequest('getVMTimelineMicros') as Map<String, dynamic>;
   }
 
   @override
@@ -368,10 +424,10 @@ class VMServiceFlutterDriver extends FlutterDriver {
     assert(streams != null && streams.isNotEmpty);
     assert(timeout != null);
     try {
-      await _warnIfSlow<vms.Success>(
-        future: _serviceClient.setVMTimelineFlags(
-          _timelineStreamsToString(streams),
-        ),
+      await _warnIfSlow<void>(
+        future: _peer.sendRequest(_setVMTimelineFlagsMethodName, <String, String>{
+          'recordedStreams': _timelineStreamsToString(streams),
+        }),
         timeout: timeout,
         message: 'VM is taking an unusually long time to respond to being told to start tracing...',
       );
@@ -395,27 +451,26 @@ class VMServiceFlutterDriver extends FlutterDriver {
            (startTime != null && endTime != null));
 
     try {
-      await _warnIfSlow<vms.Success>(
-        future: _serviceClient.setVMTimelineFlags(const <String>[]),
+      await _warnIfSlow<void>(
+        future: _peer.sendRequest(_setVMTimelineFlagsMethodName, <String, String>{'recordedStreams': '[]'}),
         timeout: timeout,
         message: 'VM is taking an unusually long time to respond to being told to stop tracing...',
       );
       if (startTime == null) {
-        final vms.Timeline timeline = await _serviceClient.getVMTimeline();
-        return Timeline.fromJson(timeline.json);
+        return Timeline.fromJson(await _peer.sendRequest(_getVMTimelineMethodName) as Map<String, dynamic>);
       }
       const int kSecondInMicros = 1000000;
       int currentStart = startTime;
       int currentEnd = startTime + kSecondInMicros; // 1 second of timeline
       final List<Map<String, Object>> chunks = <Map<String, Object>>[];
       do {
-        final vms.Timeline chunk = await _serviceClient.getVMTimeline(
-          timeOriginMicros: currentStart,
+        final Map<String, Object> chunk = await _peer.sendRequest(_getVMTimelineMethodName, <String, Object>{
+          'timeOriginMicros': currentStart,
           // The range is inclusive, avoid double counting on the chance something
           // aligns on the boundary.
-          timeExtentMicros: kSecondInMicros - 1,
-        );
-        chunks.add(chunk.json);
+          'timeExtentMicros': kSecondInMicros - 1,
+        }) as Map<String, dynamic>;
+        chunks.add(chunk);
         currentStart = currentEnd;
         currentEnd += kSecondInMicros;
       } while (currentStart < endTime);
@@ -463,18 +518,18 @@ class VMServiceFlutterDriver extends FlutterDriver {
 
     await clearTimeline();
 
-    final vms.Timestamp startTimestamp = await _getVMTimelineMicros();
+    final Map<String, Object> startTimestamp = await _getVMTimelineMicros();
     await startTracing(streams: streams);
     await action();
-    final vms.Timestamp endTimestamp = await _getVMTimelineMicros();
+    final Map<String, Object> endTimestamp = await _getVMTimelineMicros();
 
     if (!(await _isPrecompiledMode())) {
       _log(_kDebugWarning);
     }
 
     return stopTracingAndDownloadTimeline(
-      startTime: startTimestamp.timestamp,
-      endTime: endTimestamp.timestamp,
+      startTime: startTimestamp['timestamp'] as int,
+      endTime: endTimestamp['timestamp'] as int,
     );
   }
 
@@ -484,8 +539,8 @@ class VMServiceFlutterDriver extends FlutterDriver {
   }) async {
     assert(timeout != null);
     try {
-      await _warnIfSlow<vms.Success>(
-        future: _serviceClient.clearVMTimeline(),
+      await _warnIfSlow<void>(
+        future: _peer.sendRequest(_clearVMTimelineMethodName, <String, String>{}),
         timeout: timeout,
         message: 'VM is taking an unusually long time to respond to being told to clear its timeline buffer...',
       );
@@ -513,7 +568,10 @@ class VMServiceFlutterDriver extends FlutterDriver {
   @override
   Future<void> forceGC() async {
     try {
-      await _serviceClient.callMethod(_collectAllGarbageMethodName, isolateId: _appIsolate.id);
+      await _peer
+          .sendRequest(_collectAllGarbageMethodName, <String, String>{
+        'isolateId': 'isolates/${_appIsolate.numberAsString}',
+      });
     } catch (error, stackTrace) {
       throw DriverError(
         'Failed to force a GC due to remote error',
@@ -525,8 +583,9 @@ class VMServiceFlutterDriver extends FlutterDriver {
 
   @override
   Future<void> close() async {
-    _serviceClient.dispose();
-    await _serviceClient.onDone;
+    // Don't leak vm_service_client-specific objects, if any
+    await _serviceClient.close();
+    await _peer.close();
   }
 }
 
@@ -542,6 +601,40 @@ void restoreVmServiceConnectFunction() {
   vmServiceConnectFunction = _waitAndConnect;
 }
 
+/// The JSON RPC 2 spec says that a notification from a client must not respond
+/// to the client. It's possible the client sent a notification as a "ping", but
+/// the service isn't set up yet to respond.
+///
+/// For example, if the client sends a notification message to the server for
+/// 'streamNotify', but the server has not finished loading, it will throw an
+/// exception. Since the message is a notification, the server follows the
+/// specification and does not send a response back, but is left with an
+/// unhandled exception. That exception is safe for us to ignore - the client
+/// is signaling that it will try again later if it doesn't get what it wants
+/// here by sending a notification.
+// This may be ignoring too many exceptions. It would be best to rewrite
+// the client code to not use notifications so that it gets error replies back
+// and can decide what to do from there.
+// TODO(dnfield): https://github.com/flutter/flutter/issues/31813
+bool _ignoreRpcError(dynamic error) {
+  if (error is rpc.RpcException) {
+    final rpc.RpcException exception = error;
+    return exception.data == null || exception.data['id'] == null;
+  } else if (error is String && error.startsWith('JSON-RPC error -32601')) {
+    return true;
+  }
+  return false;
+}
+
+void _unhandledJsonRpcError(dynamic error, dynamic stack) {
+  if (_ignoreRpcError(error)) {
+    return;
+  }
+  _log('Unhandled RPC error:\n$error\n$stack');
+  // TODO(dnfield): https://github.com/flutter/flutter/issues/31813
+  // assert(false);
+}
+
 String _getWebSocketUrl(String url) {
   Uri uri = Uri.parse(url);
   final List<String> pathSegments = <String>[
@@ -554,30 +647,40 @@ String _getWebSocketUrl(String url) {
   return uri.toString();
 }
 
+void _checkCloseCode(WebSocket ws) {
+  if (ws.closeCode != 1000 && ws.closeCode != null) {
+    _log('$ws is closed with an unexpected code ${ws.closeCode}');
+  }
+}
+
 /// Waits for a real Dart VM service to become available, then connects using
 /// the [VMServiceClient].
-Future<vms.VmService> _waitAndConnect(String url, Map<String, dynamic> headers) async {
+Future<VMServiceClientConnection> _waitAndConnect(
+    String url, {Map<String, dynamic> headers}) async {
   final String webSocketUrl = _getWebSocketUrl(url);
   int attempts = 0;
   while (true) {
+    WebSocket ws1;
+    WebSocket ws2;
     try {
-      final WebSocket socket = await WebSocket.connect(webSocketUrl, headers: headers);
-      final vms.VmService service = vms.VmService(
-        socket,
-        socket.add,
-        log: null,
-        disposeHandler: () async {
-          await socket.close();
-        },
+      ws1 = await WebSocket.connect(webSocketUrl, headers: headers);
+      ws2 = await WebSocket.connect(webSocketUrl, headers: headers);
+
+      ws1.done.whenComplete(() => _checkCloseCode(ws1));
+      ws2.done.whenComplete(() => _checkCloseCode(ws2));
+
+      return VMServiceClientConnection(
+        VMServiceClient(IOWebSocketChannel(ws1).cast()),
+        rpc.Peer(
+          IOWebSocketChannel(ws2).cast(),
+          onUnhandledError: _unhandledJsonRpcError,
+        )..listen(),
       );
-      // This call is to ensure we are able to establish a connection instead of
-      // keeping on trucking and failing farther down the process.
-      await service.getVersion();
-      return service;
     } catch (e) {
-      if (attempts > 5) {
+      await ws1?.close();
+      await ws2?.close();
+      if (attempts > 5)
         _log('It is taking an unusually long time to connect to the VM...');
-      }
       attempts += 1;
       await Future<void>.delayed(_kPauseBetweenReconnectAttempts);
     }
@@ -591,8 +694,8 @@ const Duration _kPauseBetweenReconnectAttempts = Duration(seconds: 1);
 
 // See `timeline_streams` in
 // https://github.com/dart-lang/sdk/blob/master/runtime/vm/timeline.cc
-List<String> _timelineStreamsToString(List<TimelineStream> streams) {
-  return streams.map<String>((TimelineStream stream) {
+String _timelineStreamsToString(List<TimelineStream> streams) {
+  final String contents = streams.map<String>((TimelineStream stream) {
     switch (stream) {
       case TimelineStream.all: return 'all';
       case TimelineStream.api: return 'API';
@@ -607,7 +710,8 @@ List<String> _timelineStreamsToString(List<TimelineStream> streams) {
       default:
         throw 'Unknown timeline stream $stream';
     }
-  }).toList();
+  }).join(', ');
+  return '[$contents]';
 }
 
 void _log(String message) {
@@ -632,5 +736,24 @@ Future<T> _warnIfSlow<T>({
   return future;
 }
 
-/// A function that connects to a Dart VM service given the `url` and `headers`.
-typedef VMServiceConnectFunction = Future<vms.VmService> Function(String url, Map<String, dynamic> headers);
+/// Encapsulates connection information to an instance of a Flutter application.
+@visibleForTesting
+class VMServiceClientConnection {
+  /// Creates an instance of this class given a [client] and a [peer].
+  VMServiceClientConnection(this.client, this.peer);
+
+  /// Use this for structured access to the VM service's public APIs.
+  final VMServiceClient client;
+
+  /// Use this to make arbitrary raw JSON-RPC calls.
+  ///
+  /// This object allows reaching into private VM service APIs. Use with
+  /// caution.
+  final rpc.Peer peer;
+}
+
+/// A function that connects to a Dart VM service
+/// with [headers] given the [url].
+typedef VMServiceConnectFunction =
+  Future<VMServiceClientConnection> Function(
+    String url, {Map<String, dynamic> headers});
diff --git a/packages/flutter_driver/lib/src/driver/web_driver.dart b/packages/flutter_driver/lib/src/driver/web_driver.dart
index 2126b75e3ed..961cb172cc9 100644
--- a/packages/flutter_driver/lib/src/driver/web_driver.dart
+++ b/packages/flutter_driver/lib/src/driver/web_driver.dart
@@ -9,7 +9,7 @@ import 'dart:io';
 
 import 'package:matcher/matcher.dart';
 import 'package:meta/meta.dart';
-import 'package:vm_service/vm_service.dart' as vms;
+import 'package:vm_service_client/vm_service_client.dart';
 import 'package:webdriver/async_io.dart' as async_io;
 import 'package:webdriver/support/async.dart';
 
@@ -38,10 +38,10 @@ class WebFlutterDriver extends FlutterDriver {
   DateTime get startTime => _startTime;
 
   @override
-  vms.Isolate get appIsolate => throw UnsupportedError('WebFlutterDriver does not support appIsolate');
+  VMIsolate get appIsolate => throw UnsupportedError('WebFlutterDriver does not support appIsolate');
 
   @override
-  vms.VmService get serviceClient => throw UnsupportedError('WebFlutterDriver does not support serviceClient');
+  VMServiceClient get serviceClient => throw UnsupportedError('WebFlutterDriver does not support serviceClient');
 
   @override
   async_io.WebDriver get webDriver => _connection._driver;
diff --git a/packages/flutter_driver/pubspec.yaml b/packages/flutter_driver/pubspec.yaml
index 0988e0e36aa..dbff898a16c 100644
--- a/packages/flutter_driver/pubspec.yaml
+++ b/packages/flutter_driver/pubspec.yaml
@@ -9,9 +9,11 @@ environment:
 
 dependencies:
   file: 6.0.0-nullsafety.3
+  json_rpc_2: 2.2.2
   meta: 1.3.0-nullsafety.5
   path: 1.8.0-nullsafety.2
-  vm_service: 4.2.0
+  web_socket_channel: 1.1.0
+  vm_service_client: 0.2.6+2
   webdriver: 2.1.2
   flutter:
     sdk: flutter
@@ -31,10 +33,10 @@ dependencies:
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   fake_async: 1.2.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  json_rpc_2: 2.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   platform: 3.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   process: 4.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -44,9 +46,9 @@ dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
-  quiver: 2.1.4+1
+  mockito: 4.1.1
+  quiver: 2.1.3
 
-# PUBSPEC CHECKSUM: 23ae
+# PUBSPEC CHECKSUM: 9a64
diff --git a/packages/flutter_driver/test/common.dart b/packages/flutter_driver/test/common.dart
index 70b555d9df7..8e7845825a8 100644
--- a/packages/flutter_driver/test/common.dart
+++ b/packages/flutter_driver/test/common.dart
@@ -11,7 +11,6 @@ import 'package:test_api/test_api.dart' hide TypeMatcher, isInstanceOf; // ignor
 import 'package:test_api/test_api.dart' as test_package show TypeMatcher; // ignore: deprecated_member_use
 
 export 'package:test_api/test_api.dart' hide TypeMatcher, isInstanceOf; // ignore: deprecated_member_use
-export 'package:test_api/fake.dart'; // ignore: deprecated_member_use
 
 // Defines a 'package:test' shim.
 // TODO(ianh): Clean this up once https://github.com/dart-lang/matcher/issues/98 is fixed
@@ -32,6 +31,3 @@ void tryToDelete(Directory directory) {
 
 /// Matcher for functions that throw [DriverError].
 final Matcher throwsDriverError = throwsA(isA<DriverError>());
-
-/// Matcher for functions that throw [AssertionError].
-final Matcher throwsAssertionError = throwsA(isA<AssertionError>());
diff --git a/packages/flutter_driver/test/flutter_driver_test.dart b/packages/flutter_driver/test/flutter_driver_test.dart
index 59db708fd68..9fcd8b58033 100644
--- a/packages/flutter_driver/test/flutter_driver_test.dart
+++ b/packages/flutter_driver/test/flutter_driver_test.dart
@@ -13,7 +13,9 @@ import 'package:flutter_driver/src/common/layer_tree.dart';
 import 'package:flutter_driver/src/common/wait.dart';
 import 'package:flutter_driver/src/driver/driver.dart';
 import 'package:flutter_driver/src/driver/timeline.dart';
-import 'package:vm_service/vm_service.dart' as vms;
+import 'package:json_rpc_2/json_rpc_2.dart' as rpc;
+import 'package:mockito/mockito.dart';
+import 'package:vm_service_client/vm_service_client.dart';
 import 'package:quiver/testing/async.dart';
 
 import 'common.dart';
@@ -31,9 +33,10 @@ void main() {
   };
 
   group('VMServiceFlutterDriver.connect', () {
-    FakeVmService fakeClient;
-    FakeVM fakeVM;
-    FakeIsolate fakeIsolate;
+    MockVMServiceClient mockClient;
+    MockVM mockVM;
+    MockIsolate mockIsolate;
+    MockPeer mockPeer;
 
     void expectLogContains(String message) {
       expect(log, anyElement(contains(message)));
@@ -41,92 +44,65 @@ void main() {
 
     setUp(() {
       log.clear();
-      fakeIsolate = FakeIsolate();
-      fakeVM = FakeVM(fakeIsolate);
-      fakeClient = FakeVmService(fakeVM);
-      vmServiceConnectFunction = (String url, Map<String, dynamic> headers) async {
-        return fakeClient;
+      mockClient = MockVMServiceClient();
+      mockVM = MockVM();
+      mockIsolate = MockIsolate();
+      mockPeer = MockPeer();
+      when(mockClient.getVM()).thenAnswer((_) => Future<MockVM>.value(mockVM));
+      when(mockVM.isolates).thenReturn(<VMRunnableIsolate>[mockIsolate]);
+      when(mockIsolate.loadRunnable()).thenAnswer((_) => Future<MockIsolate>.value(mockIsolate));
+      when(mockIsolate.extensionRpcs).thenReturn(<String>[]);
+      when(mockIsolate.onExtensionAdded).thenAnswer((Invocation invocation) {
+        return Stream<String>.fromIterable(<String>['ext.flutter.driver']);
+      });
+      when(mockIsolate.invokeExtension(any, any)).thenAnswer(
+          (Invocation invocation) => makeMockResponse(<String, dynamic>{'status': 'ok'}));
+      vmServiceConnectFunction = (String url, {Map<String, dynamic> headers}) {
+        return Future<VMServiceClientConnection>.value(
+          VMServiceClientConnection(mockClient, mockPeer)
+        );
       };
-      fakeClient.responses['get_health'] = makeFakeResponse(<String, dynamic>{'status': 'ok'});
     });
 
     tearDown(() async {
       restoreVmServiceConnectFunction();
     });
 
-
-    test('throws after retries if no isolate', () async {
-      fakeVM.numberOfTriesBeforeResolvingIsolate = 10000;
-      FakeAsync().run((FakeAsync time) {
-        FlutterDriver.connect(dartVmServiceUrl: '');
-        time.elapse(kUnusuallyLongTimeout);
-      });
-      expect(log, <String>[
-        'VMServiceFlutterDriver: Connecting to Flutter application at ',
-        'VMServiceFlutterDriver: The root isolate is taking an unuusally long time to start.',
-      ]);
-    });
-
-    test('Retries connections if isolate is not available', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kPauseStart, timestamp: 0);
-      fakeVM.numberOfTriesBeforeResolvingIsolate = 5;
-      final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '');
-      expect(driver, isNotNull);
-      expect(
-        fakeClient.connectionLog,
-        <String>[
-          'getIsolate',
-          'setFlag pause_isolates_on_start false',
-          'resume',
-          'streamListen Isolate',
-          'getIsolate',
-          'onIsolateEvent',
-          'streamCancel Isolate',
-        ],
-      );
-    });
-
-    test('Connects to isolate number', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kPauseStart, timestamp: 0);
-      final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '', isolateNumber: int.parse(fakeIsolate.number));
-      expect(driver, isNotNull);
-      expect(
-        fakeClient.connectionLog,
-        <String>[
-          'getIsolate',
-          'setFlag pause_isolates_on_start false',
-          'resume',
-          'streamListen Isolate',
-          'getIsolate',
-          'onIsolateEvent',
-          'streamCancel Isolate',
-        ],
-      );
-    });
-
     test('connects to isolate paused at start', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kPauseStart, timestamp: 0);
+      final List<String> connectionLog = <String>[];
+      when(mockPeer.sendRequest('streamListen', any)).thenAnswer((Invocation invocation) {
+        connectionLog.add('streamListen');
+        return null;
+      });
+      when(mockPeer.sendRequest('setFlag', any)).thenAnswer((Invocation invocation) {
+        connectionLog.add('setFlag');
+        return null;
+      });
+      when(mockIsolate.pauseEvent).thenReturn(MockVMPauseStartEvent());
+      when(mockIsolate.resume()).thenAnswer((Invocation invocation) {
+        connectionLog.add('resume');
+        return Future<dynamic>.value(null);
+      });
+      when(mockIsolate.onExtensionAdded).thenAnswer((Invocation invocation) {
+        connectionLog.add('onExtensionAdded');
+        return Stream<String>.fromIterable(<String>['ext.flutter.driver']);
+      });
 
       final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '');
       expect(driver, isNotNull);
       expectLogContains('Isolate is paused at start');
-      expect(
-        fakeClient.connectionLog,
-        <String>[
-          'getIsolate',
-          'setFlag pause_isolates_on_start false',
-          'resume',
-          'streamListen Isolate',
-          'getIsolate',
-          'onIsolateEvent',
-          'streamCancel Isolate',
-        ],
-      );
+      expect(connectionLog, <String>['setFlag', 'resume', 'streamListen', 'onExtensionAdded']);
     });
 
     test('ignores setFlag failure', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kPauseStart, timestamp: 0);
-      fakeClient.failOnSetFlag = true;
+      when(mockPeer.sendRequest('setFlag', any)).thenThrow(Exception('setFlag failed'));
+      when(mockIsolate.pauseEvent).thenReturn(MockVMPauseStartEvent());
+      when(mockIsolate.resume()).thenAnswer((Invocation invocation) {
+        return Future<dynamic>.value(null);
+      });
+      when(mockIsolate.onExtensionAdded).thenAnswer((Invocation invocation) {
+        return Stream<String>.fromIterable(<String>['ext.flutter.driver']);
+      });
 
       final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '');
       expectLogContains('Failed to set pause_isolates_on_start=false, proceeding. '
@@ -136,7 +112,8 @@ void main() {
 
 
     test('connects to isolate paused mid-flight', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kPauseBreakpoint, timestamp: 0);
+      when(mockIsolate.pauseEvent).thenReturn(MockVMPauseBreakpointEvent());
+      when(mockIsolate.resume()).thenAnswer((Invocation invocation) => Future<dynamic>.value(null));
 
       final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '');
       expect(driver, isNotNull);
@@ -148,8 +125,12 @@ void main() {
     // we do. There's no need to fail as we should be able to drive the app
     // just fine.
     test('connects despite losing the race to resume isolate', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kPauseBreakpoint, timestamp: 0);
-      fakeClient.failOnResumeWith101 = true;
+      when(mockIsolate.pauseEvent).thenReturn(MockVMPauseBreakpointEvent());
+      when(mockIsolate.resume()).thenAnswer((Invocation invocation) {
+        // This needs to be wrapped in a closure to not be considered uncaught
+        // by package:test
+        return Future<dynamic>.error(rpc.RpcException(101, ''));
+      });
 
       final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '');
       expect(driver, isNotNull);
@@ -157,8 +138,7 @@ void main() {
     });
 
     test('connects to unpaused isolate', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kResume, timestamp: 0);
-
+      when(mockIsolate.pauseEvent).thenReturn(MockVMResumeEvent());
       final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '');
       expect(driver, isNotNull);
       expectLogContains('Isolate is not paused. Assuming application is ready.');
@@ -166,38 +146,56 @@ void main() {
 
     test('connects to unpaused when onExtensionAdded does not contain the '
       'driver extension', () async {
-      fakeIsolate.pauseEvent = vms.Event(kind: vms.EventKind.kResume, timestamp: 0);
-      fakeIsolate.extensionRPCs.add('ext.flutter.driver');
-
+      when(mockIsolate.pauseEvent).thenReturn(MockVMResumeEvent());
+      when(mockIsolate.extensionRpcs).thenReturn(<String>['ext.flutter.driver']);
+      when(mockIsolate.onExtensionAdded).thenAnswer((Invocation invocation) {
+        return const Stream<String>.empty();
+      });
       final FlutterDriver driver = await FlutterDriver.connect(dartVmServiceUrl: '');
       expect(driver, isNotNull);
       expectLogContains('Isolate is not paused. Assuming application is ready.');
     });
+
+    test('connects with headers', () async {
+      Map<String, dynamic> actualHeaders;
+      vmServiceConnectFunction = (String url, {Map<String, dynamic> headers}) {
+        actualHeaders = headers;
+        return Future<VMServiceClientConnection>.value(
+          VMServiceClientConnection(mockClient, mockPeer)
+        );
+      };
+
+      final Map<String, String> expectedHeaders = <String, String>{'header-key': 'header-value'};
+      final FlutterDriver driver = await FlutterDriver.connect(
+        dartVmServiceUrl: '', headers: expectedHeaders);
+      expect(driver, isNotNull);
+      expect(actualHeaders, equals(expectedHeaders));
+    });
   });
 
   group('VMServiceFlutterDriver', () {
-    FakeVmService fakeClient;
-    FakeVM fakeVM;
-    FakeIsolate fakeIsolate;
+    MockVMServiceClient mockClient;
+    MockPeer mockPeer;
+    MockIsolate mockIsolate;
     VMServiceFlutterDriver driver;
 
     setUp(() {
-      fakeIsolate = FakeIsolate();
-      fakeVM = FakeVM(fakeIsolate);
-      fakeClient = FakeVmService(fakeVM);
-      driver = VMServiceFlutterDriver.connectedTo(fakeClient, fakeIsolate);
-      fakeClient.responses['tap'] = makeFakeResponse(<String, dynamic>{});
+      mockClient = MockVMServiceClient();
+      mockPeer = MockPeer();
+      mockIsolate = MockIsolate();
+      driver = VMServiceFlutterDriver.connectedTo(mockClient, mockPeer, mockIsolate);
     });
 
     test('checks the health of the driver extension', () async {
-      fakeClient.responses['get_health'] = makeFakeResponse(<String, dynamic>{'status': 'ok'});
+      when(mockIsolate.invokeExtension(any, any)).thenAnswer(
+          (Invocation invocation) => makeMockResponse(<String, dynamic>{'status': 'ok'}));
       final Health result = await driver.checkHealth();
       expect(result.status, HealthStatus.ok);
     });
 
     test('closes connection', () async {
+      when(mockClient.close()).thenAnswer((Invocation invocation) => Future<dynamic>.value(null));
       await driver.close();
-      expect(fakeClient.connectionLog.last, 'dispose');
     });
 
     group('ByValueKey', () {
@@ -206,281 +204,482 @@ void main() {
       });
 
       test('finds by ValueKey', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, String>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': 'foo',
+            'keyValueType': 'String',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.tap(find.byValueKey('foo'), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: tap, timeout: $_kSerializedTestTimeout, finderType: ByValueKey, keyValueString: foo, keyValueType: String}',
-        ]);
       });
     });
 
     group('BySemanticsLabel', () {
       test('finds by Semantic label using String', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, String>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'BySemanticsLabel',
+            'label': 'foo',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.tap(find.bySemanticsLabel('foo'), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: tap, timeout: $_kSerializedTestTimeout, finderType: BySemanticsLabel, label: foo}',
-        ]);
       });
 
       test('finds by Semantic label using RegExp', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, String>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'BySemanticsLabel',
+            'label': '^foo',
+            'isRegExp': 'true',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.tap(find.bySemanticsLabel(RegExp('^foo')), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: tap, timeout: $_kSerializedTestTimeout, finderType: BySemanticsLabel, label: ^foo, isRegExp: true}',
-        ]);
       });
     });
 
     group('tap', () {
       test('requires a target reference', () async {
-        expect(driver.tap(null), throwsAssertionError);
+        expect(driver.tap(null), throwsDriverError);
       });
 
       test('sends the tap command', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByText',
+            'text': 'foo',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.tap(find.text('foo'), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: tap, timeout: $_kSerializedTestTimeout, finderType: ByText, text: foo}',
-        ]);
       });
     });
 
     group('getText', () {
       test('requires a target reference', () async {
-        expect(driver.getText(null), throwsAssertionError);
+        expect(driver.getText(null), throwsDriverError);
       });
 
       test('sends the getText command', () async {
-        fakeClient.responses['get_text'] = makeFakeResponse(<String, dynamic>{'text': 'hello'});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_text',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return makeMockResponse(<String, String>{
+            'text': 'hello',
+          });
+        });
         final String result = await driver.getText(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, 'hello');
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: get_text, timeout: $_kSerializedTestTimeout, finderType: ByValueKey, keyValueString: 123, keyValueType: int}',
-        ]);
       });
     });
 
     group('getLayerTree', () {
       test('sends the getLayerTree command', () async {
-        fakeClient.responses['get_layer_tree'] = makeFakeResponse(<String, String>{
-          'tree': 'hello',
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_layer_tree',
+            'timeout': _kSerializedTestTimeout,
+          });
+          return makeMockResponse(<String, String>{
+            'tree': 'hello',
+          });
         });
         final LayerTree result = await driver.getLayerTree(timeout: _kTestTimeout);
         final LayerTree referenceTree = LayerTree.fromJson(<String, String>{
             'tree': 'hello',
           });
         expect(result.tree, referenceTree.tree);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: get_layer_tree, timeout: $_kSerializedTestTimeout}',
-        ]);
       });
     });
 
     group('waitFor', () {
       test('requires a target reference', () async {
-        expect(driver.waitFor(null), throwsAssertionError);
+        expect(driver.waitFor(null), throwsDriverError);
       });
 
       test('sends the waitFor command', () async {
-        fakeClient.responses['waitFor'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'waitFor',
+            'finderType': 'ByTooltipMessage',
+            'text': 'foo',
+            'timeout': _kSerializedTestTimeout,
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.waitFor(find.byTooltip('foo'), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: waitFor, timeout: $_kSerializedTestTimeout, finderType: ByTooltipMessage, text: foo}',
-        ]);
       });
     });
 
     group('getWidgetDiagnostics', () {
       test('sends the getWidgetDiagnostics command', () async {
-        fakeClient.responses['get_diagnostics_tree'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_diagnostics_tree',
+            'diagnosticsType': 'widget',
+            'finderType': 'ByTooltipMessage',
+            'text': 'foo',
+            'includeProperties': 'true',
+            'subtreeDepth': '0',
+            'timeout': _kSerializedTestTimeout,
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.getWidgetDiagnostics(find.byTooltip('foo'), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: get_diagnostics_tree, timeout: $_kSerializedTestTimeout, finderType: ByTooltipMessage, text: foo, subtreeDepth: 0, includeProperties: true, diagnosticsType: widget}',
-        ]);
       });
     });
 
     group('getRenderObjectDiagnostics', () {
       test('sends the getRenderObjectDiagnostics command', () async {
-        fakeClient.responses['get_diagnostics_tree'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_diagnostics_tree',
+            'diagnosticsType': 'renderObject',
+            'finderType': 'ByTooltipMessage',
+            'text': 'foo',
+            'includeProperties': 'true',
+            'subtreeDepth': '0',
+            'timeout': _kSerializedTestTimeout,
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.getRenderObjectDiagnostics(find.byTooltip('foo'), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: get_diagnostics_tree, timeout: $_kSerializedTestTimeout, finderType: ByTooltipMessage, text: foo, subtreeDepth: 0, includeProperties: true, diagnosticsType: renderObject}',
-        ]);
       });
     });
 
     group('waitForCondition', () {
       test('sends the wait for NoPendingFrameCondition command', () async {
-        fakeClient.responses['waitForCondition'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'NoPendingFrameCondition',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.waitForCondition(const NoPendingFrame(), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: waitForCondition, timeout: $_kSerializedTestTimeout, conditionName: NoPendingFrameCondition}',
-        ]);
       });
 
       test('sends the wait for NoPendingPlatformMessages command', () async {
-        fakeClient.responses['waitForCondition'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'NoPendingPlatformMessagesCondition',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.waitForCondition(const NoPendingPlatformMessages(), timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: waitForCondition, timeout: $_kSerializedTestTimeout, conditionName: NoPendingPlatformMessagesCondition}',
-        ]);
       });
 
       test('sends the waitForCondition of combined conditions command', () async {
-        fakeClient.responses['waitForCondition'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'CombinedCondition',
+            'conditions': '[{"conditionName":"NoPendingFrameCondition"},{"conditionName":"NoTransientCallbacksCondition"}]',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         const SerializableWaitCondition combinedCondition =
             CombinedCondition(<SerializableWaitCondition>[NoPendingFrame(), NoTransientCallbacks()]);
         await driver.waitForCondition(combinedCondition, timeout: _kTestTimeout);
-         expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: waitForCondition, timeout: $_kSerializedTestTimeout, conditionName: CombinedCondition, conditions: [{"conditionName":"NoPendingFrameCondition"},{"conditionName":"NoTransientCallbacksCondition"}]}',
-        ]);
       });
     });
 
     group('waitUntilNoTransientCallbacks', () {
       test('sends the waitUntilNoTransientCallbacks command', () async {
-        fakeClient.responses['waitForCondition'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'NoTransientCallbacksCondition',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.waitUntilNoTransientCallbacks(timeout: _kTestTimeout);
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: waitForCondition, timeout: $_kSerializedTestTimeout, conditionName: NoTransientCallbacksCondition}',
-        ]);
       });
     });
 
     group('waitUntilFirstFrameRasterized', () {
       test('sends the waitUntilFirstFrameRasterized command', () async {
-        fakeClient.responses['waitForCondition'] = makeFakeResponse(<String, dynamic>{});
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'waitForCondition',
+            'conditionName': 'FirstFrameRasterizedCondition',
+          });
+          return makeMockResponse(<String, dynamic>{});
+        });
         await driver.waitUntilFirstFrameRasterized();
-        expect(fakeClient.commandLog, <String>[
-          'ext.flutter.driver {command: waitForCondition, conditionName: FirstFrameRasterizedCondition}',
-        ]);
       });
     });
 
     group('getOffset', () {
-      setUp(() {
-        fakeClient.responses['get_offset'] = makeFakeResponse(<String, double>{
-          'dx': 11,
-          'dy': 12,
-        });
-      });
-
       test('requires a target reference', () async {
-        expect(driver.getCenter(null), throwsAssertionError);
-        expect(driver.getTopLeft(null), throwsAssertionError);
-        expect(driver.getTopRight(null), throwsAssertionError);
-        expect(driver.getBottomLeft(null), throwsAssertionError);
-        expect(driver.getBottomRight(null), throwsAssertionError);
+        expect(driver.getCenter(null), throwsDriverError);
+        expect(driver.getTopLeft(null), throwsDriverError);
+        expect(driver.getTopRight(null), throwsDriverError);
+        expect(driver.getBottomLeft(null), throwsDriverError);
+        expect(driver.getBottomRight(null), throwsDriverError);
       });
 
       test('sends the getCenter command', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_offset',
+            'offsetType': 'center',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          });
+        });
         final DriverOffset result = await driver.getCenter(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeClient.commandLog, <String>[
-           'ext.flutter.driver {command: get_offset, timeout: 1234, finderType: ByValueKey, keyValueString: 123, keyValueType: int, offsetType: center}',
-        ]);
       });
 
       test('sends the getTopLeft command', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_offset',
+            'offsetType': 'topLeft',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          });
+        });
         final DriverOffset result = await driver.getTopLeft(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeClient.commandLog, <String>[
-           'ext.flutter.driver {command: get_offset, timeout: 1234, finderType: ByValueKey, keyValueString: 123, keyValueType: int, offsetType: topLeft}',
-        ]);
       });
 
       test('sends the getTopRight command', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_offset',
+            'offsetType': 'topRight',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          });
+        });
         final DriverOffset result = await driver.getTopRight(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeClient.commandLog, <String>[
-           'ext.flutter.driver {command: get_offset, timeout: 1234, finderType: ByValueKey, keyValueString: 123, keyValueType: int, offsetType: topRight}',
-        ]);
       });
 
       test('sends the getBottomLeft command', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_offset',
+            'offsetType': 'bottomLeft',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          });
+        });
         final DriverOffset result = await driver.getBottomLeft(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeClient.commandLog, <String>[
-           'ext.flutter.driver {command: get_offset, timeout: 1234, finderType: ByValueKey, keyValueString: 123, keyValueType: int, offsetType: bottomLeft}',
-        ]);
       });
 
       test('sends the getBottomRight command', () async {
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          expect(i.positionalArguments[1], <String, dynamic>{
+            'command': 'get_offset',
+            'offsetType': 'bottomRight',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          });
+        });
         final DriverOffset result = await driver.getBottomRight(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeClient.commandLog, <String>[
-           'ext.flutter.driver {command: get_offset, timeout: 1234, finderType: ByValueKey, keyValueString: 123, keyValueType: int, offsetType: bottomRight}',
-        ]);
       });
     });
 
     group('clearTimeline', () {
       test('clears timeline', () async {
+        bool clearWasCalled = false;
+        when(mockPeer.sendRequest('clearVMTimeline', argThat(equals(<String, dynamic>{}))))
+          .thenAnswer((Invocation invocation) async {
+            clearWasCalled = true;
+            return null;
+          });
         await driver.clearTimeline();
-        expect(fakeClient.connectionLog, contains('clearVMTimeline'));
+        expect(clearWasCalled, isTrue);
       });
     });
 
     group('traceAction', () {
+      List<String> log;
+
+      setUp(() async {
+        log = <String>[];
+
+        when(mockPeer.sendRequest('clearVMTimeline', argThat(equals(<String, dynamic>{}))))
+          .thenAnswer((Invocation invocation) async {
+            log.add('clear');
+            return null;
+          });
+
+        when(mockPeer.sendRequest('getVMTimelineMicros'))
+          .thenAnswer((Invocation invocation) async {
+            log.add('getVMTimelineMicros');
+            return <String, Object>{};
+          });
+
+        when(mockPeer.sendRequest('setVMTimelineFlags', argThat(equals(<String, dynamic>{'recordedStreams': '[all]'}))))
+          .thenAnswer((Invocation invocation) async {
+            log.add('startTracing');
+            return null;
+          });
+
+        when(mockPeer.sendRequest('setVMTimelineFlags', argThat(equals(<String, dynamic>{'recordedStreams': '[]'}))))
+          .thenAnswer((Invocation invocation) async {
+            log.add('stopTracing');
+            return null;
+          });
+
+        when(mockPeer.sendRequest('getVMTimeline')).thenAnswer((Invocation invocation) async {
+          log.add('download');
+          return <String, dynamic>{
+            'traceEvents': <dynamic>[
+              <String, String>{
+                'name': 'test event',
+              },
+            ],
+          };
+        });
+      });
+
       test('without clearing timeline', () async {
         final Timeline timeline = await driver.traceAction(() async {
-          fakeClient.connectionLog.add('action');
+          log.add('action');
         }, retainPriorEvents: true);
 
-        expect(fakeClient.connectionLog, const <String>[
-          'setVMTimelineFlags [all]',
+        expect(log, const <String>[
+          'startTracing',
           'action',
-          'getFlagList',
-          'setVMTimelineFlags []',
-          'getVMTimeline null null',
+          'stopTracing',
+          'download',
         ]);
         expect(timeline.events.single.name, 'test event');
       });
 
       test('with clearing timeline', () async {
         final Timeline timeline = await driver.traceAction(() async {
-          fakeClient.connectionLog.add('action');
+          log.add('action');
         });
 
-        expect(fakeClient.connectionLog, const <String>[
-          'clearVMTimeline',
+        expect(log, const <String>[
+          'clear',
           'getVMTimelineMicros',
-          'setVMTimelineFlags [all]',
+          'startTracing',
           'action',
           'getVMTimelineMicros',
-          'getFlagList',
-          'setVMTimelineFlags []',
-          'getVMTimeline 1 999999',
+          'stopTracing',
+          'download',
         ]);
         expect(timeline.events.single.name, 'test event');
       });
 
       test('with time interval', () async {
-        fakeClient.incrementMicros = true;
-        fakeClient.timelineResponses[1000001] = vms.Timeline.parse(<String, dynamic>{
-          'traceEvents': <dynamic>[
-            <String, dynamic>{
-              'name': 'test event 2',
-            },
-          ],
+        int count = 0;
+        when(mockPeer.sendRequest('getVMTimelineMicros'))
+          .thenAnswer((Invocation invocation) async {
+            log.add('getVMTimelineMicros');
+            return <String, Object>{
+              if (count++ == 0)
+                'timestamp': 0
+              else
+                'timestamp': 1000001,
+            };
+          });
+        when(mockPeer.sendRequest('getVMTimeline', argThat(equals(<String, dynamic>{
+          'timeOriginMicros': 0,
+          'timeExtentMicros': 999999
+        }))))
+          .thenAnswer((Invocation invocation) async {
+            log.add('download 1');
+            return <String, dynamic>{
+              'traceEvents': <dynamic>[
+                <String, String>{
+                  'name': 'test event 1',
+                },
+              ],
+            };
+          });
+        when(mockPeer.sendRequest('getVMTimeline', argThat(equals(<String, dynamic>{
           'timeOriginMicros': 1000000,
           'timeExtentMicros': 999999,
-        });
+        }))))
+          .thenAnswer((Invocation invocation) async {
+            log.add('download 2');
+            return <String, dynamic>{
+              'traceEvents': <dynamic>[
+                <String, String>{
+                  'name': 'test event 2',
+                },
+              ],
+            };
+          });
+
+
         final Timeline timeline = await driver.traceAction(() async {
-          fakeClient.connectionLog.add('action');
+          log.add('action');
         });
 
-        expect(fakeClient.connectionLog, const <String>[
-          'clearVMTimeline',
+        expect(log, const <String>[
+          'clear',
           'getVMTimelineMicros',
-          'setVMTimelineFlags [all]',
+          'startTracing',
           'action',
           'getVMTimelineMicros',
-          'getFlagList',
-          'setVMTimelineFlags []',
-          'getVMTimeline 1 999999',
-          'getVMTimeline 1000001 999999',
+          'stopTracing',
+          'download 1',
+          'download 2',
         ]);
         expect(timeline.events.map((TimelineEvent event) => event.name), <String>[
-          'test event',
+          'test event 1',
           'test event 2',
         ]);
       });
@@ -489,6 +688,36 @@ void main() {
     group('traceAction with timeline streams', () {
       test('specify non-default timeline streams', () async {
         bool actionCalled = false;
+        bool startTracingCalled = false;
+        bool stopTracingCalled = false;
+
+        when(mockPeer.sendRequest('getVMTimelineMicros'))
+          .thenAnswer((Invocation invocation) async {
+            log.add('getVMTimelineMicros');
+            return <String, Object>{};
+          });
+
+        when(mockPeer.sendRequest('setVMTimelineFlags', argThat(equals(<String, dynamic>{'recordedStreams': '[Dart, GC, Compiler]'}))))
+          .thenAnswer((Invocation invocation) async {
+            startTracingCalled = true;
+            return null;
+          });
+
+        when(mockPeer.sendRequest('setVMTimelineFlags', argThat(equals(<String, dynamic>{'recordedStreams': '[]'}))))
+          .thenAnswer((Invocation invocation) async {
+            stopTracingCalled = true;
+            return null;
+          });
+
+        when(mockPeer.sendRequest('getVMTimeline')).thenAnswer((Invocation invocation) async {
+          return <String, dynamic>{
+            'traceEvents': <dynamic>[
+              <String, String>{
+                'name': 'test event',
+              },
+            ],
+          };
+        });
 
         final Timeline timeline = await driver.traceAction(() async {
           actionCalled = true;
@@ -501,13 +730,8 @@ void main() {
         retainPriorEvents: true);
 
         expect(actionCalled, isTrue);
-        expect(fakeClient.connectionLog, <String>[
-          'setVMTimelineFlags [Dart, GC, Compiler]',
-          'getFlagList',
-          'setVMTimelineFlags []',
-          'getVMTimeline null null'
-        ]);
-
+        expect(startTracingCalled, isTrue);
+        expect(stopTracingCalled, isTrue);
         expect(timeline.events.single.name, 'test event');
       });
     });
@@ -515,7 +739,10 @@ void main() {
     group('sendCommand error conditions', () {
       test('local default timeout', () async {
         log.clear();
-        fakeClient.artificialExtensionDelay = Completer<void>().future;
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          // completer never completed to trigger timeout
+          return Completer<Map<String, dynamic>>().future;
+        });
         FakeAsync().run((FakeAsync time) {
           driver.waitFor(find.byTooltip('foo'));
           expect(log, <String>[]);
@@ -526,7 +753,10 @@ void main() {
 
       test('local custom timeout', () async {
         log.clear();
-        fakeClient.artificialExtensionDelay = Completer<void>().future;
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          // completer never completed to trigger timeout
+          return Completer<Map<String, dynamic>>().future;
+        });
         FakeAsync().run((FakeAsync time) {
           final Duration customTimeout = kUnusuallyLongTimeout - const Duration(seconds: 1);
           driver.waitFor(find.byTooltip('foo'), timeout: customTimeout);
@@ -537,9 +767,11 @@ void main() {
       });
 
       test('remote error', () async {
-        fakeClient.responses['waitFor'] = makeFakeResponse(<String, dynamic>{
-          'message': 'This is a failure',
-        }, isError: true);
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          return makeMockResponse(<String, dynamic>{
+            'message': 'This is a failure',
+          }, isError: true);
+        });
         try {
           await driver.waitFor(find.byTooltip('foo'));
           fail('expected an exception');
@@ -550,9 +782,11 @@ void main() {
       });
 
       test('uncaught remote error', () async {
-        fakeClient.artificialExtensionDelay = Future<void>.error(
-          vms.RPCError('callServiceExtension', 9999, 'test error'),
-        );
+        when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+          return Future<Map<String, dynamic>>.error(
+            rpc.RpcException(9999, 'test error'),
+          );
+        });
 
         expect(driver.waitFor(find.byTooltip('foo')), throwsDriverError);
       });
@@ -570,47 +804,52 @@ void main() {
   });
 
   group('VMServiceFlutterDriver with custom timeout', () {
-    FakeVmService fakeClient;
-    FakeVM fakeVM;
-    FakeIsolate fakeIsolate;
+    MockVMServiceClient mockClient;
+    MockPeer mockPeer;
+    MockIsolate mockIsolate;
     VMServiceFlutterDriver driver;
 
     setUp(() {
-      fakeIsolate = FakeIsolate();
-      fakeVM = FakeVM(fakeIsolate);
-      fakeClient = FakeVmService(fakeVM);
-      driver = VMServiceFlutterDriver.connectedTo(fakeClient, fakeIsolate);
-      fakeClient.responses['get_health'] = makeFakeResponse(<String, dynamic>{'status': 'ok'});
+      mockClient = MockVMServiceClient();
+      mockPeer = MockPeer();
+      mockIsolate = MockIsolate();
+      driver = VMServiceFlutterDriver.connectedTo(mockClient, mockPeer, mockIsolate);
     });
 
     test('GetHealth has no default timeout', () async {
+      when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+        expect(i.positionalArguments[1], <String, String>{
+          'command': 'get_health',
+        });
+        return makeMockResponse(<String, dynamic>{'status': 'ok'});
+      });
       await driver.checkHealth();
-      expect(
-        fakeClient.commandLog,
-        <String>['ext.flutter.driver {command: get_health}'],
-      );
     });
 
     test('does not interfere with explicit timeouts', () async {
+      when(mockIsolate.invokeExtension(any, any)).thenAnswer((Invocation i) {
+        expect(i.positionalArguments[1], <String, String>{
+          'command': 'get_health',
+          'timeout': _kSerializedTestTimeout,
+        });
+        return makeMockResponse(<String, dynamic>{'status': 'ok'});
+      });
       await driver.checkHealth(timeout: _kTestTimeout);
-      expect(
-        fakeClient.commandLog,
-        <String>['ext.flutter.driver {command: get_health, timeout: $_kSerializedTestTimeout}'],
-      );
     });
   });
 
   group('WebFlutterDriver', () {
-    FakeFlutterWebConnection fakeConnection;
+    MockFlutterWebConnection mockConnection;
     WebFlutterDriver driver;
 
     setUp(() {
-      fakeConnection = FakeFlutterWebConnection();
-      fakeConnection.supportsTimelineAction = true;
-      driver = WebFlutterDriver.connectedTo(fakeConnection);
+      mockConnection = MockFlutterWebConnection();
+      when(mockConnection.supportsTimelineAction).thenReturn(true);
+      driver = WebFlutterDriver.connectedTo(mockConnection);
     });
 
     test('closes connection', () async {
+      when(mockConnection.close()).thenAnswer((Invocation invocation) => Future<dynamic>.value(null));
       await driver.close();
     });
 
@@ -621,177 +860,294 @@ void main() {
       });
 
       test('finds by ValueKey', () async {
-        fakeConnection.responses['tap'] = jsonEncode(makeFakeResponse(<String, dynamic>{}));
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': 'foo',
+            'keyValueType': 'String',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.tap(find.byValueKey('foo'), timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"tap","timeout":"1234","finderType":"ByValueKey","keyValueString":"foo","keyValueType":"String"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     group('BySemanticsLabel', () {
       test('finds by Semantic label using String', () async {
-        fakeConnection.responses['tap'] = jsonEncode(makeFakeResponse(<String, dynamic>{}));
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'BySemanticsLabel',
+            'label': 'foo',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.tap(find.bySemanticsLabel('foo'), timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"tap","timeout":"1234","finderType":"BySemanticsLabel","label":"foo"}') 0:00:01.234000''',
-        ]);
       });
 
       test('finds by Semantic label using RegExp', () async {
-        fakeConnection.responses['tap'] = jsonEncode(makeFakeResponse(<String, dynamic>{}));
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'BySemanticsLabel',
+            'label': '^foo',
+            'isRegExp': 'true',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.tap(find.bySemanticsLabel(RegExp('^foo')), timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"tap","timeout":"1234","finderType":"BySemanticsLabel","label":"^foo","isRegExp":"true"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     group('tap', () {
       test('requires a target reference', () async {
-        expect(driver.tap(null), throwsAssertionError);
+        expect(driver.tap(null), throwsDriverError);
       });
 
       test('sends the tap command', () async {
-        fakeConnection.responses['tap'] = jsonEncode(makeFakeResponse(<String, dynamic>{}));
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'tap',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByText',
+            'text': 'foo',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.tap(find.text('foo'), timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"tap","timeout":"1234","finderType":"ByText","text":"foo"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     group('getText', () {
       test('requires a target reference', () async {
-        expect(driver.getText(null), throwsAssertionError);
+        expect(driver.getText(null), throwsDriverError);
       });
 
       test('sends the getText command', () async {
-        fakeConnection.responses['get_text'] = jsonEncode(makeFakeResponse(<String, dynamic>{'text': 'hello'}));
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'get_text',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return jsonEncode(await makeMockResponse(<String, String>{
+            'text': 'hello',
+          }));
+        });
         final String result = await driver.getText(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, 'hello');
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"get_text","timeout":"1234","finderType":"ByValueKey","keyValueString":"123","keyValueType":"int"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     group('waitFor', () {
       test('requires a target reference', () async {
-        expect(driver.waitFor(null), throwsAssertionError);
+        expect(driver.waitFor(null), throwsDriverError);
       });
 
       test('sends the waitFor command', () async {
-        fakeConnection.responses['waitFor'] = jsonEncode(makeFakeResponse(<String, dynamic>{'text': 'hello'}));
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'waitFor',
+            'finderType': 'ByTooltipMessage',
+            'text': 'foo',
+            'timeout': _kSerializedTestTimeout,
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.waitFor(find.byTooltip('foo'), timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"waitFor","timeout":"1234","finderType":"ByTooltipMessage","text":"foo"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     group('waitForCondition', () {
-      setUp(() {
-        fakeConnection.responses['waitForCondition'] = jsonEncode(makeFakeResponse(<String, dynamic>{'text': 'hello'}));
-      });
-
       test('sends the wait for NoPendingFrameCondition command', () async {
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'NoPendingFrameCondition',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.waitForCondition(const NoPendingFrame(), timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"waitForCondition","timeout":"1234","conditionName":"NoPendingFrameCondition"}') 0:00:01.234000''',
-        ]);
       });
 
       test('sends the wait for NoPendingPlatformMessages command', () async {
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'NoPendingPlatformMessagesCondition',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.waitForCondition(const NoPendingPlatformMessages(), timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"waitForCondition","timeout":"1234","conditionName":"NoPendingPlatformMessagesCondition"}') 0:00:01.234000''',
-        ]);
       });
 
       test('sends the waitForCondition of combined conditions command', () async {
-        const SerializableWaitCondition combinedCondition = CombinedCondition(
-          <SerializableWaitCondition>[NoPendingFrame(), NoTransientCallbacks()],
-        );
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'CombinedCondition',
+            'conditions': '[{"conditionName":"NoPendingFrameCondition"},{"conditionName":"NoTransientCallbacksCondition"}]',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
+        const SerializableWaitCondition combinedCondition =
+        CombinedCondition(<SerializableWaitCondition>[NoPendingFrame(), NoTransientCallbacks()]);
         await driver.waitForCondition(combinedCondition, timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"waitForCondition","timeout":"1234","conditionName":"CombinedCondition","conditions":"[{\"conditionName\":\"NoPendingFrameCondition\"},{\"conditionName\":\"NoTransientCallbacksCondition\"}]"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     group('waitUntilNoTransientCallbacks', () {
       test('sends the waitUntilNoTransientCallbacks command', () async {
-        fakeConnection.responses['waitForCondition'] = jsonEncode(makeFakeResponse(<String, dynamic>{}));
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'waitForCondition',
+            'timeout': _kSerializedTestTimeout,
+            'conditionName': 'NoTransientCallbacksCondition',
+          });
+          return jsonEncode(await makeMockResponse(<String, dynamic>{}));
+        });
         await driver.waitUntilNoTransientCallbacks(timeout: _kTestTimeout);
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"waitForCondition","timeout":"1234","conditionName":"NoTransientCallbacksCondition"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     group('getOffset', () {
-      setUp(() {
-        fakeConnection.responses['get_offset'] = jsonEncode(makeFakeResponse(<String, double>{
-          'dx': 11,
-          'dy': 12,
-        }));
-      });
       test('requires a target reference', () async {
-        expect(driver.getCenter(null), throwsAssertionError);
-        expect(driver.getTopLeft(null), throwsAssertionError);
-        expect(driver.getTopRight(null), throwsAssertionError);
-        expect(driver.getBottomLeft(null), throwsAssertionError);
-        expect(driver.getBottomRight(null), throwsAssertionError);
+        expect(driver.getCenter(null), throwsDriverError);
+        expect(driver.getTopLeft(null), throwsDriverError);
+        expect(driver.getTopRight(null), throwsDriverError);
+        expect(driver.getBottomLeft(null), throwsDriverError);
+        expect(driver.getBottomRight(null), throwsDriverError);
       });
 
       test('sends the getCenter command', () async {
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'get_offset',
+            'offsetType': 'center',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return jsonEncode(await makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          }));
+        });
         final DriverOffset result = await driver.getCenter(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"get_offset","timeout":"1234","finderType":"ByValueKey","keyValueString":"123","keyValueType":"int","offsetType":"center"}') 0:00:01.234000''',
-        ]);
       });
 
       test('sends the getTopLeft command', () async {
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'get_offset',
+            'offsetType': 'topLeft',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return jsonEncode(await makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          }));
+        });
         final DriverOffset result = await driver.getTopLeft(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"get_offset","timeout":"1234","finderType":"ByValueKey","keyValueString":"123","keyValueType":"int","offsetType":"topLeft"}') 0:00:01.234000''',
-        ]);
       });
 
       test('sends the getTopRight command', () async {
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'get_offset',
+            'offsetType': 'topRight',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return jsonEncode(await makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          }));
+        });
         final DriverOffset result = await driver.getTopRight(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"get_offset","timeout":"1234","finderType":"ByValueKey","keyValueString":"123","keyValueType":"int","offsetType":"topRight"}') 0:00:01.234000''',
-        ]);
       });
 
       test('sends the getBottomLeft command', () async {
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'get_offset',
+            'offsetType': 'bottomLeft',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return jsonEncode(await makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          }));
+        });
         final DriverOffset result = await driver.getBottomLeft(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"get_offset","timeout":"1234","finderType":"ByValueKey","keyValueString":"123","keyValueType":"int","offsetType":"bottomLeft"}') 0:00:01.234000''',
-        ]);
       });
 
       test('sends the getBottomRight command', () async {
+        when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+          final String script = _checkAndEncode(i.positionalArguments[0]);
+          expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+            'command': 'get_offset',
+            'offsetType': 'bottomRight',
+            'timeout': _kSerializedTestTimeout,
+            'finderType': 'ByValueKey',
+            'keyValueString': '123',
+            'keyValueType': 'int',
+          });
+          return jsonEncode(await makeMockResponse(<String, double>{
+            'dx': 11,
+            'dy': 12,
+          }));
+        });
         final DriverOffset result = await driver.getBottomRight(find.byValueKey(123), timeout: _kTestTimeout);
         expect(result, const DriverOffset(11, 12));
-        expect(fakeConnection.commandLog, <String>[
-          r'''window.$flutterDriver('{"command":"get_offset","timeout":"1234","finderType":"ByValueKey","keyValueString":"123","keyValueType":"int","offsetType":"bottomRight"}') 0:00:01.234000''',
-        ]);
       });
     });
 
     test('checks the health of the driver extension', () async {
-      fakeConnection.responses['get_health'] = jsonEncode(makeFakeResponse(<String, dynamic>{'status': 'ok'}));
+      when(mockConnection.sendCommand(any, any)).thenAnswer((Invocation i) async {
+        final String script = _checkAndEncode(i.positionalArguments[0]);
+        expect(Map<String, String>.from(jsonDecode(script) as Map<String, dynamic>), <String, String>{
+          'command': 'get_health',
+        });
+        return jsonEncode(await makeMockResponse(<String, dynamic>{'status': 'ok'}));
+      });
       await driver.checkHealth();
-      expect(fakeConnection.commandLog, <String>[
-        r'''window.$flutterDriver('{"command":"get_health"}') null''',
-      ]);
     });
 
     group('WebFlutterDriver Unimplemented/Unsupported error', () {
@@ -811,7 +1167,7 @@ void main() {
       });
 
       test('appIsoloate', () async {
-        expect(() => driver.appIsolate.extensionRPCs,
+        expect(() => driver.appIsolate.invokeExtension('abc', <String, String>{'abc': '123'}),
             throwsA(isA<UnsupportedError>()));
       });
 
@@ -823,12 +1179,13 @@ void main() {
   });
 
   group('WebFlutterDriver with non-chrome browser', () {
-    FakeFlutterWebConnection fakeConnection;
+    MockFlutterWebConnection mockConnection;
     WebFlutterDriver driver;
 
     setUp(() {
-      fakeConnection = FakeFlutterWebConnection();
-      driver = WebFlutterDriver.connectedTo(fakeConnection);
+      mockConnection = MockFlutterWebConnection();
+      when(mockConnection.supportsTimelineAction).thenReturn(false);
+      driver = WebFlutterDriver.connectedTo(mockConnection);
     });
 
     test('tracing', () async {
@@ -856,199 +1213,31 @@ String _checkAndEncode(dynamic script) {
   return script.substring(_kWebScriptPrefix.length, script.length - 2) as String;
 }
 
-vms.Response makeFakeResponse(
+Future<Map<String, dynamic>> makeMockResponse(
   Map<String, dynamic> response, {
   bool isError = false,
 }) {
-  return vms.Response.parse(<String, dynamic>{
+  return Future<Map<String, dynamic>>.value(<String, dynamic>{
     'isError': isError,
     'response': response,
   });
 }
 
-class FakeFlutterWebConnection extends Fake implements FlutterWebConnection {
-  @override
-  bool supportsTimelineAction = false;
+class MockVMServiceClient extends Mock implements VMServiceClient { }
 
-  Map<String, dynamic> responses = <String, dynamic>{};
-  List<String> commandLog = <String>[];
-  @override
-  Future<dynamic> sendCommand(String script, Duration duration) async {
-    commandLog.add('$script $duration');
-    final Map<String, dynamic> decoded = jsonDecode(_checkAndEncode(script)) as Map<String, dynamic>;
-    final dynamic response = responses[decoded['command']];
-    assert(response != null, 'Missing ${decoded['command']} in responses.');
-    return response;
-  }
+class MockVM extends Mock implements VM { }
 
+class MockIsolate extends Mock implements VMRunnableIsolate { }
+
+class MockVMPauseStartEvent extends Mock implements VMPauseStartEvent { }
+
+class MockVMPauseBreakpointEvent extends Mock implements VMPauseBreakpointEvent { }
+
+class MockVMResumeEvent extends Mock implements VMResumeEvent { }
+
+class MockFlutterWebConnection extends Mock implements FlutterWebConnection { }
+
+class MockPeer extends Mock implements rpc.Peer {
   @override
-  Future<void> close() async {
-    return;
-  }
+  bool get isClosed => false;
 }
-
-class FakeVmService extends Fake implements vms.VmService {
-  FakeVmService(this.vm);
-
-  FakeVM vm;
-  bool failOnSetFlag = false;
-  bool failOnResumeWith101 = false;
-
-  final List<String> connectionLog = <String>[];
-
-  @override
-  Future<vms.VM> getVM() async => vm;
-
-  @override
-  Future<vms.Isolate> getIsolate(String isolateId) async {
-    connectionLog.add('getIsolate');
-    if (isolateId == vm.isolate.id) {
-      return vm.isolate;
-    }
-    return null;
-  }
-
-  @override
-  Future<vms.Success> resume(String isolateId, {String step, int frameIndex}) async {
-    assert(isolateId == vm.isolate.id);
-    connectionLog.add('resume');
-    if (failOnResumeWith101) {
-      throw vms.RPCError('resume', 101, '');
-    }
-    return vms.Success();
-  }
-
-  @override
-  Future<vms.Success> streamListen(String streamId) async {
-    connectionLog.add('streamListen $streamId');
-    return vms.Success();
-  }
-
-  @override
-  Future<vms.Success> streamCancel(String streamId) async {
-    connectionLog.add('streamCancel $streamId');
-    return vms.Success();
-  }
-
-  @override
-  Future<vms.Response> setFlag(String name, String value) async {
-    connectionLog.add('setFlag $name $value');
-    if (failOnSetFlag) {
-      throw Exception('setFlag failed');
-    }
-    return vms.Success();
-  }
-
-  @override
-  Stream<vms.Event> get onIsolateEvent async* {
-    connectionLog.add('onIsolateEvent');
-    yield vms.Event(
-      kind: vms.EventKind.kServiceExtensionAdded,
-      extensionRPC: 'ext.flutter.driver',
-      timestamp: 0,
-    );
-  }
-
-  List<String> commandLog = <String>[];
-  Map<String, vms.Response> responses = <String, vms.Response>{};
-  Future<void> artificialExtensionDelay;
-
-  @override
-  Future<vms.Response> callServiceExtension(String method, {Map<dynamic, dynamic> args, String isolateId}) async {
-    commandLog.add('$method $args');
-    await artificialExtensionDelay;
-
-    final vms.Response response = responses[args['command']];
-    assert(response != null, 'Failed to create a response for ${args['command']}');
-    return response;
-  }
-
-  @override
-  Future<vms.Success> clearVMTimeline() async {
-    connectionLog.add('clearVMTimeline');
-    return vms.Success();
-  }
-
-  @override
-  Future<vms.FlagList> getFlagList() async {
-    connectionLog.add('getFlagList');
-    return vms.FlagList(flags: <vms.Flag>[]);
-  }
-
-  int vmTimelineMicros = -1000000;
-  bool incrementMicros = false;
-
-  @override
-  Future<vms.Timestamp> getVMTimelineMicros() async {
-    connectionLog.add('getVMTimelineMicros');
-    if (incrementMicros || vmTimelineMicros < 0) {
-      vmTimelineMicros = vmTimelineMicros + 1000001;
-    }
-    return vms.Timestamp(timestamp: vmTimelineMicros);
-  }
-
-  @override
-  Future<vms.Success> setVMTimelineFlags(List<String> recordedStreams) async {
-    connectionLog.add('setVMTimelineFlags $recordedStreams');
-    return vms.Success();
-  }
-
-  final Map<int, vms.Timeline> timelineResponses = <int, vms.Timeline>{
-    1: vms.Timeline.parse(<String, dynamic>{
-      'traceEvents': <dynamic>[
-        <String, dynamic>{
-          'name': 'test event',
-        },
-      ],
-      'timeOriginMicros': 0,
-      'timeExtentMicros': 999999,
-    }),
-  };
-
-  @override
-  Future<vms.Timeline> getVMTimeline({int timeOriginMicros, int timeExtentMicros}) async {
-    connectionLog.add('getVMTimeline $timeOriginMicros $timeExtentMicros');
-    final vms.Timeline timeline = timelineResponses[timeOriginMicros ?? 1];
-    assert(timeline != null, 'Missing entry in timelineResponses[$timeOriginMicros]');
-    return timeline;
-  }
-
-  @override
-  void dispose() {
-    connectionLog.add('dispose');
-  }
-
-  @override
-  Future<void> get onDone async {}
-}
-
-class FakeVM extends Fake implements vms.VM {
-  FakeVM(this.isolate);
-
-  vms.Isolate isolate;
-
-  int numberOfTriesBeforeResolvingIsolate = 0;
-
-  @override
-  List<vms.IsolateRef> get isolates {
-    numberOfTriesBeforeResolvingIsolate -= 1;
-    return <vms.Isolate>[
-      if (numberOfTriesBeforeResolvingIsolate <= 0)
-        isolate,
-    ];
-  }
-}
-
-class FakeIsolate extends Fake implements vms.Isolate {
-  @override
-  String get number => '123';
-
-  @override
-  String get id => number;
-
-  @override
-  vms.Event pauseEvent;
-
-  @override
-  List<String> get extensionRPCs => <String>[];
-}
\ No newline at end of file
diff --git a/packages/flutter_driver/test/src/real_tests/find_test.dart b/packages/flutter_driver/test/src/real_tests/find_test.dart
index 9f1c83712bb..fccf5b5c93f 100644
--- a/packages/flutter_driver/test/src/real_tests/find_test.dart
+++ b/packages/flutter_driver/test/src/real_tests/find_test.dart
@@ -7,11 +7,12 @@
 import 'package:flutter_driver/driver_extension.dart';
 import 'package:flutter_driver/flutter_driver.dart';
 import 'package:flutter_driver/src/common/find.dart';
+import 'package:mockito/mockito.dart';
 
 import '../../common.dart';
 
 void main() {
-  final FakeDeserialize fakeDeserialize = FakeDeserialize();
+  final MockDeserialize mockDeserialize = MockDeserialize();
 
   test('Ancestor finder serialize', () {
     const SerializableFinder of = ByType('Text');
@@ -41,7 +42,7 @@ void main() {
       'firstMatchOnly': 'true',
     };
 
-    final Ancestor a = Ancestor.deserialize(serialized, fakeDeserialize);
+    final Ancestor a = Ancestor.deserialize(serialized, mockDeserialize);
     expect(a.of, isA<ByType>());
     expect(a.matching, isA<ByValueKey>());
     expect(a.matchRoot, isTrue);
@@ -76,7 +77,7 @@ void main() {
       'firstMatchOnly': 'true',
     };
 
-    final Descendant a = Descendant.deserialize(serialized, fakeDeserialize);
+    final Descendant a = Descendant.deserialize(serialized, mockDeserialize);
     expect(a.of, isA<ByType>());
     expect(a.matching, isA<ByValueKey>());
     expect(a.matchRoot, isTrue);
@@ -84,4 +85,4 @@ void main() {
   });
 }
 
-class FakeDeserialize extends Fake with DeserializeFinderFactory { }
+class MockDeserialize with Mock, DeserializeFinderFactory { }
diff --git a/packages/flutter_tools/pubspec.yaml b/packages/flutter_tools/pubspec.yaml
index fef79a26904..de1e2c474b2 100644
--- a/packages/flutter_tools/pubspec.yaml
+++ b/packages/flutter_tools/pubspec.yaml
@@ -85,7 +85,7 @@ dependencies:
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   petitparser: 3.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   platform: 3.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  quiver: 2.1.4+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  quiver: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_proxy: 0.1.0+7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -113,4 +113,4 @@ dartdoc:
   # Exclude this package from the hosted API docs.
   nodoc: true
 
-# PUBSPEC CHECKSUM: 3206
+# PUBSPEC CHECKSUM: cda8
diff --git a/packages/fuchsia_remote_debug_protocol/pubspec.yaml b/packages/fuchsia_remote_debug_protocol/pubspec.yaml
index 0017209579a..24c7f2ba1e7 100644
--- a/packages/fuchsia_remote_debug_protocol/pubspec.yaml
+++ b/packages/fuchsia_remote_debug_protocol/pubspec.yaml
@@ -32,6 +32,7 @@ dependencies:
   meta: 1.3.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   platform: 3.0.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_span: 1.8.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stack_trace: 1.10.0-nullsafety.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   stream_channel: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -41,7 +42,7 @@ dependencies:
   test_api: 0.2.19-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.3.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.1.0-nullsafety.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service_client: 0.2.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
@@ -67,7 +68,6 @@ dev_dependencies:
   package_config: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pedantic: 1.10.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  pub_semver: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 0.7.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_packages_handler: 2.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -75,8 +75,9 @@ dev_dependencies:
   source_map_stack_trace: 2.1.0-nullsafety.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_maps: 0.10.10-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   test_core: 0.3.12-nullsafety.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  vm_service: 4.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   watcher: 0.9.7+15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: 81ce
+# PUBSPEC CHECKSUM: 2393