Teach Icon to use an AssetBundle

sky/sdk/lib/widgets/basic.dart

Index: sky/sdk/lib/widgets/basic.dart
diff --git a/sky/sdk/lib/widgets/basic.dart b/sky/sdk/lib/widgets/basic.dart
index 5c12fa307a128ad48b61cd600a6fa1f7ac180b3d..41f3e03cb26efc0201b1e809eecd4e49b50c072d 100644
--- a/sky/sdk/lib/widgets/basic.dart
+++ b/sky/sdk/lib/widgets/basic.dart
@@ -7,6 +7,7 @@ import 'dart:sky' as sky;
 
 import 'package:vector_math/vector_math.dart';
 
+import '../mojo/asset_bundle.dart';
 import '../mojo/net/image_cache.dart' as image_cache;
 import '../painting/text_style.dart';
 import '../rendering/block.dart';
@@ -550,6 +551,19 @@ class NetworkImage extends Component {
   }
 }
 
+class AssetImage extends Component {
+  AssetImage({ this.bundle, String name, this.size })
+    : name = name, super(key: name);
+
+  final AssetBundle bundle;
+  final String name;
+  final Size size;
+
+  Widget build() {
+    return new FutureImage(image: bundle.loadImage(name), size: size);
+  }
+}
+
 class WidgetToRenderBoxAdapter extends LeafRenderObjectWrapper {
 
   WidgetToRenderBoxAdapter(RenderBox renderBox)