Random cleanup of various Dart things in our tree.

sky/sdk/example/rendering/baseline.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import 'dart:sky' as sky;
 
 import 'package:sky/painting/text_style.dart';
 import 'package:sky/rendering/block.dart';
 import 'package:sky/rendering/box.dart';
 import 'package:sky/rendering/object.dart';
 import 'package:sky/rendering/paragraph.dart';
 import 'package:sky/rendering/sky_binding.dart';
 
 RenderBox getBox(double lh) {
   RenderParagraph paragraph = new RenderParagraph(
     new InlineStyle(
-      new TextStyle(),
+      new TextStyle(
+        color: const Color(0xFF0000A0)
+      ),
       [
         new InlineText('test'),
         new InlineStyle(
           new TextStyle(
-            color: const Color(0xFF0000A0),
             fontFamily: 'serif',
             fontSize: 50.0,
             height: lh
           ),
           [new InlineText('مرحبا Hello')]
         )
       ]
     )
   );
   return new RenderPadding(
@@ skipping 33 matching lines @@
 }
 
 void main() {
   RenderBox root = new RenderBlock(children: [
     new RenderConstrainedBox(
       additionalConstraints: new BoxConstraints.tightFor(height: 50.0)
     ),
     getBox(1.0),
     getBox(null),
   ]);
-  var b = new SkyBinding(root: root);
-  // b.onFrame = b.debugDumpRenderTree;
+  new SkyBinding(root: root);
 }