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

Source/core/svg/SVGTextPositioningElement.h

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 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 14 matching lines @@
 #include "core/svg/SVGAnimatedLengthList.h"
 #include "core/svg/SVGAnimatedNumberList.h"
 #include "core/svg/SVGTextContentElement.h"
 
 namespace WebCore {
 
 class SVGTextPositioningElement : public SVGTextContentElement {
 public:
     static SVGTextPositioningElement* elementFromRenderer(RenderObject*);
 
+    virtual void accept(Visitor* visitor) const OVERRIDE { SVGTextContentElement::accept(visitor); }
+
 protected:
     SVGTextPositioningElement(const QualifiedName&, const Handle<Document>&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGTextPositioningElement)
         DECLARE_ANIMATED_LENGTH_LIST(X, x)
         DECLARE_ANIMATED_LENGTH_LIST(Y, y)
         DECLARE_ANIMATED_LENGTH_LIST(Dx, dx)
         DECLARE_ANIMATED_LENGTH_LIST(Dy, dy)
         DECLARE_ANIMATED_NUMBER_LIST(Rotate, rotate)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif