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

Source/core/svg/SVGPathElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * 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 85 matching lines @@
     SVGPathByteStream* pathByteStream() const;
 
     void pathSegListChanged(SVGPathSegRole, ListModification = ListModificationUnknown);
 
     virtual FloatRect getBBox(StyleUpdateStrategy = AllowStyleUpdate);
 
     static const SVGPropertyInfo* dPropertyInfo();
 
     bool isAnimValObserved() const { return m_isAnimValObserved; }
 
+    virtual void accept(Visitor* visitor) const OVERRIDE { SVGStyledTransformableElement::accept(visitor); }
+
 private:
     SVGPathElement(const QualifiedName&, const Handle<Document>&);
 
     virtual bool isValid() const { return SVGTests::isValid(); }
     virtual bool supportsFocus() const { return true; }
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
     virtual bool supportsMarkers() const { return true; }
@@ skipping 28 matching lines @@
 inline SVGPathElement* toSVGPathElement(SVGElement* element)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!element || element->hasTagName(SVGNames::pathTag));
     return static_cast<SVGPathElement*>(element);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif