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

Source/core/svg/SVGComponentTransferFunctionElement.h

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 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 56 matching lines @@
         if (value == "gamma")
             return FECOMPONENTTRANSFER_TYPE_GAMMA;
         return FECOMPONENTTRANSFER_TYPE_UNKNOWN;
     }
 };
 
 class SVGComponentTransferFunctionElement : public SVGElement {
 public:
     ComponentTransferFunction transferFunction() const;
 
+    virtual void accept(Visitor* visitor) const OVERRIDE { SVGElement::accept(visitor); }
+
 protected:
     SVGComponentTransferFunctionElement(const QualifiedName&, const Handle<Document>&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
     
 private:
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGComponentTransferFunctionElement)
         DECLARE_ANIMATED_ENUMERATION(Type, type, ComponentTransferType)
         DECLARE_ANIMATED_NUMBER_LIST(TableValues, tableValues)
         DECLARE_ANIMATED_NUMBER(Slope, slope)
         DECLARE_ANIMATED_NUMBER(Intercept, intercept)
         DECLARE_ANIMATED_NUMBER(Amplitude, amplitude)
         DECLARE_ANIMATED_NUMBER(Exponent, exponent)
         DECLARE_ANIMATED_NUMBER(Offset, offset)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif