Give the Stocks2 App a new improved toolbar.

sky/sdk/lib/framework/fn2.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.
 
 library fn;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:mirrors';
 import 'dart:sky' as sky;
@@ skipping 559 matching lines @@
 class BlockContainer extends OneChildListRenderNodeWrapper {
   RenderBlock root;
   RenderBlock createNode() => new RenderBlock();
 
   BlockContainer({ Object key, List<UINode> children })
     : super(key: key, children: children);
 }
 
 class Paragraph extends RenderNodeWrapper {
   RenderParagraph root;
-  RenderParagraph createNode() => new RenderParagraph(text);
+  RenderParagraph createNode() => new RenderParagraph(text: text);
 
   final String text;
 
   Paragraph({ Object key, this.text }) : super(key: key);
 
   void syncRenderNode(UINode old) {
     super.syncRenderNode(old);
     root.text = text;
   }
 }
@@ skipping 328 matching lines @@
     assert(root.parent is RenderView);
   }
 }
 
 class Text extends Component {
   Text(this.data) : super(key: '*text*');
   final String data;
   bool get interchangeable => true;
   UINode build() => new Paragraph(text: data);
 }
-
-
-// for now, but only for now:
-
-class RenderSolidColor extends RenderDecoratedBox {
-  final sky.Size desiredSize;
-  final int backgroundColor;
-
-  RenderSolidColor(int backgroundColor, { this.desiredSize })
-      : backgroundColor = backgroundColor,
-        super(decoration: new BoxDecoration(backgroundColor: backgroundColor));
-
-  sky.Size getIntrinsicDimensions(BoxConstraints constraints) {
-    return constraints.constrain(desiredSize);
-  }
-
-  void performLayout() {
-    size = constraints.constrain(desiredSize);
-  }
-
-  void handlePointer(sky.PointerEvent event) {
-    if (event.type == 'pointerdown')
-      decoration = new BoxDecoration(backgroundColor: 0xFFFF0000);
-    else if (event.type == 'pointerup')
-      decoration = new BoxDecoration(backgroundColor: backgroundColor);
-  }
-}
-
-class Rectangle extends RenderNodeWrapper {
-  RenderSolidColor root;
-  RenderSolidColor createNode() =>
-      new RenderSolidColor(color, desiredSize: new sky.Size(40.0, 130.0));
-
-  final int color;
-
-  Rectangle(this.color, { Object key }) : super(key: key);
-}