SVG: SVGAnimateElement should not cache |m_animatedElements|

Source/core/svg/SVGAnimateElement.h

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 52 matching lines @@
     SVGAnimatedTypeAnimator* ensureAnimator();
     bool animatedPropertyTypeSupportsAddition() const;
 
     virtual bool hasValidAttributeType() OVERRIDE;
 
     RefPtr<SVGPropertyBase> m_fromProperty;
     RefPtr<SVGPropertyBase> m_toProperty;
     RefPtr<SVGPropertyBase> m_toAtEndOfDurationProperty;
     RefPtr<SVGPropertyBase> m_animatedProperty;
 
-    WillBeHeapVector<RawPtrWillBeMember<SVGElement> > m_animatedElements;
     OwnPtrWillBeMember<SVGAnimatedTypeAnimator> m_animator;
 };
 
 inline bool isSVGAnimateElement(const Node& node)
 {
     return node.hasTagName(SVGNames::animateTag)
         || node.hasTagName(SVGNames::animateTransformTag)
         || node.hasTagName(SVGNames::setTag);
 }
 
 DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
 
 } // namespace WebCore
 
 #endif // SVGAnimateElement_h