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

Source/core/svg/SVGStyledTransformableElement.h

 /*
  * Copyright (C) 2004, 2005, 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 34 matching lines @@
     virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope mode) const { return SVGTransformable::localCoordinateSpaceTransform(mode); }
     virtual AffineTransform animatedLocalTransform() const;
     virtual AffineTransform* supplementalTransform();
 
     virtual FloatRect getBBox(StyleUpdateStrategy = AllowStyleUpdate);
 
     // "base class" methods for all the elements which render as paths
     virtual void toClipPath(Path&);
     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
 
+    virtual void accept(Visitor* visitor) const OVERRIDE { SVGStyledLocatableElement::accept(visitor); }
+
 protected:
     SVGStyledTransformableElement(const QualifiedName&, const Handle<Document>&, ConstructionType = CreateSVGElement);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGStyledTransformableElement)
         DECLARE_ANIMATED_TRANSFORM_LIST(Transform, transform)
     END_DECLARE_ANIMATED_PROPERTIES
@@ skipping 14 matching lines @@
 
 inline SVGStyledTransformableElement* toSVGStyledTransformableElement(const Handle<Node>& node)
 {
     return toSVGStyledTransformableElement(node.raw());
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif // SVGStyledTransformableElement_h