Update more core classes to use OVERRIDE / FINAL when needed

Source/core/loader/appcache/ApplicationCache.h

 /*
  * Copyright (C) 2008, 2009 Apple 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 27 matching lines @@
 namespace WebCore {
 
 class ExceptionState;
 class Frame;
 class KURL;
 
 class ApplicationCache FINAL : public ScriptWrappable, public RefCounted<ApplicationCache>, public EventTargetWithInlineData, public DOMWindowProperty {
     REFCOUNTED_EVENT_TARGET(ApplicationCache);
 public:
     static PassRefPtr<ApplicationCache> create(Frame* frame) { return adoptRef(new ApplicationCache(frame)); }
-    ~ApplicationCache() { ASSERT(!m_frame); }
+    virtual ~ApplicationCache() { ASSERT(!m_frame); }
 
     virtual void willDestroyGlobalObjectInFrame() OVERRIDE;
 
     unsigned short status() const;
     void update(ExceptionState&);
     void swapCache(ExceptionState&);
     void abort();
 
     // Explicitly named attribute event listener helpers
 
@@ skipping 13 matching lines @@
 
 private:
     explicit ApplicationCache(Frame*);
 
     ApplicationCacheHost* applicationCacheHost() const;
 };
 
 } // namespace WebCore
 
 #endif // ApplicationCache_h