Revert "Drive SVG Animations via requestAnimationFrame"

Source/core/svg/graphics/SVGImage.h

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 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 49 matching lines @@
 
     virtual void startAnimation(bool /*catchUpIfNecessary*/ = true) OVERRIDE;
     virtual void stopAnimation() OVERRIDE;
     virtual void resetAnimation() OVERRIDE;
 
     virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE;
 
     // Returns the SVG image document's frame.
     FrameView* frameView() const;
 
-    // Does the SVG image/document contain any animations?
-    bool hasAnimations() const;
-
 private:
     friend class AXRenderObject;
     friend class SVGImageChromeClient;
     friend class SVGImageForContainer;
 
     virtual ~SVGImage();
 
 
     virtual String filenameExtension() const OVERRIDE;
 
@@ skipping 40 matching lines @@
         m_image->setImageObserver(m_observer);
     }
 private:
     Image* m_image;
     ImageObserver* m_observer;
 };
 
 }
 
 #endif // SVGImage_h