Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGAnimateElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 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 378 matching lines @@
 
 SVGAnimatedTypeAnimator* SVGAnimateElement::ensureAnimator()
 {
     if (!m_animator)
         m_animator = SVGAnimatedTypeAnimator::create(this, targetElement());
     return m_animator.get();
 }
 
 void SVGAnimateElement::trace(Visitor* visitor)
 {
+    visitor->trace(m_fromProperty);
+    visitor->trace(m_toProperty);
+    visitor->trace(m_toAtEndOfDurationProperty);
+    visitor->trace(m_animatedProperty);
     visitor->trace(m_animator);
     SVGAnimationElement::trace(visitor);
 }
 
 }