Update SVG classes to use OVERRIDE / FINAL when needed

Source/core/svg/SVGElementInstance.h

 /*
  * Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * 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 20 matching lines @@
 template<class GenericNode, class GenericNodeContainer>
 void addChildNodesToDeletionQueue(GenericNode*& head, GenericNode*& tail, GenericNodeContainer&);
 };
 
 class Document;
 class SVGElement;
 class SVGElementInstanceList;
 class SVGUseElement;
 
 // SVGElementInstance mimics Node, but without providing all its functionality
-class SVGElementInstance : public EventTarget, public ScriptWrappable, public TreeShared<SVGElementInstance> {
+class SVGElementInstance FINAL : public EventTarget, public ScriptWrappable, public TreeShared<SVGElementInstance> {
     DEFINE_EVENT_TARGET_REFCOUNTING(TreeShared<SVGElementInstance>);
 public:
     static PassRefPtr<SVGElementInstance> create(SVGUseElement* correspondingUseElement, SVGUseElement* directUseElement, PassRefPtr<SVGElement> originalElement);
 
     virtual ~SVGElementInstance();
 
     void setParentOrShadowHostNode(SVGElementInstance* instance) { m_parentInstance = instance; }
 
-    virtual const AtomicString& interfaceName() const;
-    virtual ExecutionContext* executionContext() const;
+    virtual const AtomicString& interfaceName() const OVERRIDE;
+    virtual ExecutionContext* executionContext() const OVERRIDE;
 
-    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
-    virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
-    virtual void removeAllEventListeners();
+    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture) OVERRIDE;
+    virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture) OVERRIDE;
+    virtual void removeAllEventListeners() OVERRIDE;
 
     using EventTarget::dispatchEvent;
     virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE;
 
     SVGElement* correspondingElement() const { return m_element.get(); }
     SVGUseElement* correspondingUseElement() const { return m_correspondingUseElement; }
     SVGUseElement* directUseElement() const { return m_directUseElement; }
     SVGElement* shadowTreeElement() const { return m_shadowTreeElement.get(); }
 
     void detach();
@@ skipping 119 matching lines @@
     SVGElementInstance* m_previousSibling;
     SVGElementInstance* m_nextSibling;
 
     SVGElementInstance* m_firstChild;
     SVGElementInstance* m_lastChild;
 };
 
 } // namespace WebCore
 
 #endif