Drawing an animated image to a canvas now behave as expected

Source/platform/graphics/Image.cpp

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, 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 219 matching lines @@
         bitmap->drawPattern(context, adjustForNegativeSize(floatSrcRect), scale, phase, compositeOp, destRect, blendMode, repeatSpacing);
 }
 
 void Image::computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
 {
     intrinsicRatio = size();
     intrinsicWidth = Length(intrinsicRatio.width(), Fixed);
     intrinsicHeight = Length(intrinsicRatio.height(), Fixed);
 }
 
+PassRefPtr<Image> Image::imageForDefaultFrame()
+{
+    RefPtr<Image> image(this);
+
+    return image.release();
 }
+
+}