From cb7afc4a63d1ab73a8e99a91ea998f871dc9d94c Mon Sep 17 00:00:00 2001
From: Jonah Williams <jonahwilliams@google.com>
Date: Mon, 7 May 2018 18:24:29 -0700
Subject: [PATCH] Roll engine to 57f53b98a482c6f7f921f06f974c4d199097bfa1
 (#17362)

---
 bin/internal/engine.version                          | 2 +-
 packages/flutter/lib/src/services/system_chrome.dart | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 277181ff3b7..ce9e4e6fcee 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-e976be13c51448f89107d082ec81e2b6731671fa
+57f53b98a482c6f7f921f06f974c4d199097bfa1
diff --git a/packages/flutter/lib/src/services/system_chrome.dart b/packages/flutter/lib/src/services/system_chrome.dart
index f003fe0d837..da2d6580d2f 100644
--- a/packages/flutter/lib/src/services/system_chrome.dart
+++ b/packages/flutter/lib/src/services/system_chrome.dart
@@ -193,9 +193,14 @@ class SystemChrome {
     scheduleMicrotask(() {
       assert(_pendingStyle != null);
       if (_pendingStyle != _latestStyle) {
+        // TODO(jonahwilliams): remove when rolling chrome change.
         SystemChannels.platform.invokeMethod(
           'SystemChrome.setSystemUIOverlayStyle',
-          _pendingStyle.toString(),
+          <String, dynamic>{
+            'statusBarBrightness': _pendingStyle == SystemUiOverlayStyle.light 
+              ? 'Brightness.light'
+              : 'Brightness.dark',
+          }
         );
         _latestStyle = _pendingStyle;
       }