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

Source/core/svg/SVGAnimateMotionElement.h

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 14 matching lines @@
 #include "core/platform/graphics/transforms/AffineTransform.h"
 #include "core/svg/SVGAnimationElement.h"
 
 namespace WebCore {
             
 class SVGAnimateMotionElement : public SVGAnimationElement {
 public:
     static PassRefPtr<SVGAnimateMotionElement> create(const QualifiedName&, const Handle<Document>&);
     void updateAnimationPath();
 
+    virtual void accept(Visitor* visitor) const OVERRIDE { SVGAnimationElement::accept(visitor); }
+
 private:
     SVGAnimateMotionElement(const QualifiedName&, const Handle<Document>&);
 
     virtual bool hasValidAttributeType();
     virtual bool hasValidAttributeName();
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
 
     virtual void resetAnimatedType();
@@ skipping 23 matching lines @@
     FloatPoint m_toPointAtEndOfDuration;
 
     Path m_path;
     Path m_animationPath;
 };
     
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif // SVGAnimateMotionElement_h