Use FINAL macro for classes whose virtual destructor was removed

Source/core/css/CSSVariablesMap.h

 /*
  * Copyright (C) 2013 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 21 matching lines @@
 #include "core/css/CSSVariablesMapForEachCallback.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class CSSStyleDeclaration;
 class CSSVariablesIterator;
 class ExceptionState;
 
-class CSSVariablesMap : public RefCounted<CSSVariablesMap> {
+class CSSVariablesMap FINAL : public RefCounted<CSSVariablesMap> {
 public:
     static PassRefPtr<CSSVariablesMap> create(CSSStyleDeclaration* styleDeclaration)
     {
         return adoptRef(new CSSVariablesMap(styleDeclaration));
     }
 
     unsigned size() const;
     String get(const AtomicString& name) const;
     bool has(const AtomicString& name) const;
     void set(const AtomicString& name, const String& value, ExceptionState&);
@@ skipping 14 matching lines @@
     void forEach(PassRefPtr<CSSVariablesMapForEachCallback>, ScriptValue* thisArg) const;
 
     CSSStyleDeclaration* m_styleDeclaration;
     typedef Vector<CSSVariablesIterator*> Iterators;
     mutable Iterators m_activeIterators;
 };
 
 } // namespace WebCore
 
 #endif // CSSVariablesMap_h