Update SVG classes to use OVERRIDE / FINAL when needed

Source/core/svg/SVGRadialGradientElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 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 29 matching lines @@
     SVGAnimatedLength* r() const { return m_r.get(); }
     SVGAnimatedLength* fx() const { return m_fx.get(); }
     SVGAnimatedLength* fy() const { return m_fy.get(); }
     SVGAnimatedLength* fr() const { return m_fr.get(); }
 
 private:
     explicit SVGRadialGradientElement(Document&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
-    virtual void svgAttributeChanged(const QualifiedName&);
+    virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
 
-    virtual RenderObject* createRenderer(RenderStyle*);
+    virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
 
-    virtual bool selfHasRelativeLengths() const;
+    virtual bool selfHasRelativeLengths() const OVERRIDE;
 
     RefPtr<SVGAnimatedLength> m_cx;
     RefPtr<SVGAnimatedLength> m_cy;
     RefPtr<SVGAnimatedLength> m_r;
     RefPtr<SVGAnimatedLength> m_fx;
     RefPtr<SVGAnimatedLength> m_fy;
     RefPtr<SVGAnimatedLength> m_fr;
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGRadialGradientElement)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 DEFINE_NODE_TYPE_CASTS(SVGRadialGradientElement, hasTagName(SVGNames::radialGradientTag));
 
 } // namespace WebCore
 
 #endif