[oilpan] Implement accept methods to trace the class hierarchy of SVGElement and all sub-classes.

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 21 matching lines @@
 namespace WebCore {
     
 class SVGAnimatedProperty;
 
 class SVGAnimateElement : public SVGAnimationElement {
 public:
     static PassRefPtr<SVGAnimateElement> create(const QualifiedName&, const Handle<Document>&);
     virtual ~SVGAnimateElement();
 
     AnimatedPropertyType determineAnimatedPropertyType(SVGElement*) const;
-    
+
+    virtual void accept(Visitor* visitor) const OVERRIDE { SVGAnimationElement::accept(visitor); }
+
 protected:
     SVGAnimateElement(const QualifiedName&, const Handle<Document>&);
 
     virtual void resetAnimatedType();
     virtual void clearAnimatedType(SVGElement* targetElement);
 
     virtual bool calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString);
     virtual bool calculateFromAndToValues(const String& fromString, const String& toString);
     virtual bool calculateFromAndByValues(const String& fromString, const String& byString);
     virtual void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement);
@@ skipping 18 matching lines @@
     OwnPtr<SVGAnimatedType> m_animatedType;
 
     SVGElementAnimatedPropertyList m_animatedProperties;
     OwnPtr<SVGAnimatedTypeAnimator> m_animator;
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif // SVGAnimateElement_h