Update HTML classes to use OVERRIDE / FINAL when needed

Source/core/html/ClassList.h

 /*
  * Copyright (C) 2010 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 20 matching lines @@
 #include "core/dom/SpaceSplitString.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
 class Element;
 
 typedef int ExceptionCode;
 
-class ClassList : public DOMTokenList {
+class ClassList FINAL : public DOMTokenList {
 public:
     static PassOwnPtr<ClassList> create(Element* element)
     {
         return adoptPtr(new ClassList(element));
     }
 
     virtual void ref() OVERRIDE;
     virtual void deref() OVERRIDE;
 
     virtual unsigned length() const OVERRIDE;
@@ skipping 13 matching lines @@
     virtual AtomicString value() const OVERRIDE { return m_element->getAttribute(HTMLNames::classAttr); }
     virtual void setValue(const AtomicString& value) OVERRIDE { m_element->setAttribute(HTMLNames::classAttr, value); }
 
     Element* m_element;
     mutable OwnPtr<SpaceSplitString> m_classNamesForQuirksMode;
 };
 
 } // namespace WebCore
 
 #endif // ClassList_h