Implement RenderImage and Image for Sky

sky/sdk/lib/framework/fn2.dart

Index: sky/sdk/lib/framework/fn2.dart
diff --git a/sky/sdk/lib/framework/fn2.dart b/sky/sdk/lib/framework/fn2.dart
index 427f58b47c82e416863c54e292ca106e3f27f14c..2ee1d46719d7c4ed4c28ec99c89b097d107257cc 100644
--- a/sky/sdk/lib/framework/fn2.dart
+++ b/sky/sdk/lib/framework/fn2.dart
@@ -13,6 +13,7 @@ import 'app.dart';
 import 'rendering/block.dart';
 import 'rendering/box.dart';
 import 'rendering/flex.dart';
+import 'rendering/image.dart';
 import 'rendering/node.dart';
 import 'rendering/paragraph.dart';
 
@@ -613,12 +614,16 @@ class FlexExpandingChild extends ParentDataNode {
 }
 
 class Image extends RenderNodeWrapper {
-  RenderCSSImage root;
-  RenderCSSImage createNode() => new RenderCSSImage(this, this.src, this.width, this.height);
+  RenderImage root;
+  RenderImage createNode() => new RenderImage(this.src, this.width, this.height);
+
+  static final Image _emptyImage = new Image();
+
+  RenderNodeWrapper get emptyNode => _emptyImage;
 
   final String src;
-  final int width;
-  final int height;
+  final double width;
+  final double height;

[abarth-chromium, 2015/06/03 00:16:31]

These should be held as a sky.Size not separately as width and height.

[jackson, 2015/06/03 17:41:43]

Done.

 
   Image({
     Object key,