Give the Stocks2 App a new improved toolbar.

sky/sdk/lib/framework/components2/icon_button.dart

Index: sky/sdk/lib/framework/components2/icon_button.dart
diff --git a/sky/sdk/lib/framework/components2/icon_button.dart b/sky/sdk/lib/framework/components2/icon_button.dart
index 765f75bf80cf06fe01573ba91ed4580f260bf24e..9fc79dee59728907e7c1a0627d1d9e335e7a8d94 100644
--- a/sky/sdk/lib/framework/components2/icon_button.dart
+++ b/sky/sdk/lib/framework/components2/icon_button.dart
@@ -7,9 +7,6 @@ import '../rendering/box.dart';
 import 'icon.dart';
 
 class IconButton extends Component {
-  static Style _style = new Style('''
-    padding: 8px;''');
-
   String icon;
   GestureEventListener onGestureTap;
 
@@ -18,7 +15,9 @@ class IconButton extends Component {
 
   UINode build() {
     return new EventListenerNode(
-      new StyleNode(new Icon(type: icon, size: 24), _style),
+      new Padding(
+        child: new Icon(type: icon, size: 24),
+        padding: const EdgeDims.all(8.0)),
       onGestureTap: onGestureTap);
   }
 }