Port sky_home to the new SkyView world

R=ianh@google.com, eseidel@chromium.org

Review URL: https://codereview.chromium.org/1178293004.

examples/game/main.dart

@@ -19,5 +19,5 @@ void allLoaded(ImageMap loader) {
   // Create a new app with the sprite box that contains our game world
   //app = new AppView(new GameBox(new GameWorld(loader)));
   //print("hello");
-  app = new AppView((new GameTestsBox(new GameTests(loader), SpriteBoxTransformMode.nativePoints)));
+  app = new AppView(root: (new GameTestsBox(new GameTests(loader), SpriteBoxTransformMode.nativePoints)));
 }

examples/rendering/borders.dart

@@ -77,5 +77,5 @@ void main() {
       )
     ),
   ]);
-  app = new AppView(root);
+  app = new AppView(root: root);
 }

examples/rendering/interactive_flex.dart

@@ -90,6 +90,6 @@ Pancetta meatball tongue tenderloin rump tail jowl boudin.""";
     child: row
   );
 
-  app = new AppView(root);
+  app = new AppView(root: root);
   view.setEventCallback(handleEvent);
 }

examples/rendering/justify_content.dart

@@ -42,5 +42,5 @@ void main() {
     child: new RenderPadding(child: table, padding: new EdgeDims.symmetric(vertical: 50.0))
   );
 
-  app = new AppView(root);
+  app = new AppView(root: root);
 }

examples/rendering/render_paragraph.dart

@@ -38,5 +38,5 @@ Pancetta meatball tongue tenderloin rump tail jowl boudin.""";
   flexRoot.add(child);
   child.parentData.flex = 1;
 
-  app = new AppView(root);
+  app = new AppView(root: root);
 }

examples/rendering/sector_layout.dart

@@ -502,5 +502,5 @@ void main() {
   rootCircle.add(stack);
 
   var root = new RenderBoxToRenderSectorAdapter(innerRadius: 50.0, child: rootCircle);
-  app = new AppView(root);
+  app = new AppView(root: root);
 }

examples/rendering/shadowed_box.dart

@@ -22,7 +22,7 @@ void main() {
   var paddedBox = new RenderPadding(
     padding: const EdgeDims.all(50.0),
     child: coloredBox);
-  app = new AppView(new RenderDecoratedBox(
+  app = new AppView(root: new RenderDecoratedBox(
     decoration: const BoxDecoration(
       backgroundColor: const Color(0xFFFFFFFF)
     ),

examples/rendering/spinning_flex.dart

@@ -32,7 +32,7 @@ void main() {
 
   RenderPadding root = new RenderPadding(padding: new EdgeDims.all(20.0), child: transformBox);
 
-  app = new AppView(root);
+  app = new AppView(root: root);
 
   addPersistentFrameCallback(rotate);
 }

examples/rendering/touch_demo.dart

@@ -88,5 +88,5 @@ void main() {
   // Make the paragraph not fill the whole screen so it doesn't eat events.
   para.parentData..top = 40.0
                  ..left = 20.0;
-  app = new AppView(stack);
+  app = new AppView(root: stack);
 }

examples/rendering/transform.dart

@@ -23,5 +23,5 @@ void main() {
 
   RenderFlex flex = new RenderFlex();
   flex.add(spin);
-  app = new AppView(flex);
+  app = new AppView(root: flex);
 }