Generate the isSVG*Element() / toSVG*Element() helper functions

Source/core/svg/SVGStopElement.h

 /*
  * Copyright (C) 2004, 2005, 2007, 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 32 matching lines @@
     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
 
     virtual bool isGradientStop() const OVERRIDE { return true; }
 
     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
 
     RefPtr<SVGAnimatedNumber> m_offset;
 };
 
-inline bool isSVGStopElement(const Node& node)
-{
-    return node.isSVGElement() && toSVGElement(node).isGradientStop();
-}
-
-DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGStopElement);
-
 } // namespace WebCore
 
 #endif