Need to expose data on ImageData

Source/core/html/ImageData.idl

 /*
  * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 22 matching lines @@
     Constructor(unsigned long sw, unsigned long sh),
     Constructor(Uint8ClampedArray data, unsigned long sw, optional unsigned long sh),
     Exposed=(Window,Worker),
     RaisesException=Constructor,
     GarbageCollected,
 ] interface ImageData {
     // TODO(philipj): width/height should be unsigned long.
     readonly attribute long width;
     readonly attribute long height;
     // TODO(philipj): Expose data.
-    // readonly attribute Uint8ClampedArray data;
+    // FIXMEDART: Uncomment - we need this property.
+    readonly attribute Uint8ClampedArray data;
 };