Update SVG classes to use OVERRIDE / FINAL when needed

Source/core/svg/SVGLengthListTearOff.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 #ifndef SVGLengthListTearOff_h
 #define SVGLengthListTearOff_h
 
 #include "core/svg/SVGLengthList.h"
 #include "core/svg/properties/NewSVGListPropertyTearOffHelper.h"
 
 namespace WebCore {
 
-class SVGLengthListTearOff :
+class SVGLengthListTearOff FINAL :
     public NewSVGListPropertyTearOffHelper<SVGLengthListTearOff, SVGLengthList>,
     public ScriptWrappable {
 public:
     static PassRefPtr<SVGLengthListTearOff> create(PassRefPtr<SVGLengthList> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = nullQName())
     {
         return adoptRef(new SVGLengthListTearOff(target, contextElement, propertyIsAnimVal, attributeName));
     }
 
 private:
     SVGLengthListTearOff(PassRefPtr<SVGLengthList> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = nullQName())
         : NewSVGListPropertyTearOffHelper<SVGLengthListTearOff, SVGLengthList>(target, contextElement, propertyIsAnimVal, attributeName)
     {
         ScriptWrappable::init(this);
     }
 };
 
 } // namespace WebCore
 
 #endif // SVGLengthListTearOff_h_