Generate toSVGSVG|Stop|TextContentElement()

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 bool isGradientStop() const OVERRIDE { return true; }
 
     virtual RenderObject* createRenderer(RenderStyle*);
     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGStopElement)
         DECLARE_ANIMATED_NUMBER(Offset, offset)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
-inline SVGStopElement* toSVGStopElement(Node* node)
+inline bool isSVGStopElement(const Node& node)
 {
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || toSVGElement(node)->isGradientStop());
-    return static_cast<SVGStopElement*>(node);
+    return node.isSVGElement() && toSVGElement(node).isGradientStop();
 }
 
+DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGStopElement);
+
 } // namespace WebCore
 
 #endif