Update worker classes to use OVERRIDE / FINAL when needed

Source/core/workers/SharedWorkerGlobalScope.h

 /*
  * Copyright (C) 2009 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 22 matching lines @@
 
 #include "core/frame/ContentSecurityPolicy.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerThreadStartupData.h"
 
 namespace WebCore {
 
     class MessageEvent;
     class SharedWorkerThread;
 
-    class SharedWorkerGlobalScope : public WorkerGlobalScope {
+    class SharedWorkerGlobalScope FINAL : public WorkerGlobalScope {
     public:
         typedef WorkerGlobalScope Base;
         static PassRefPtr<SharedWorkerGlobalScope> create(const String& name, SharedWorkerThread*, PassOwnPtr<WorkerThreadStartupData>);
         virtual ~SharedWorkerGlobalScope();
 
         virtual bool isSharedWorkerGlobalScope() const OVERRIDE { return true; }
 
         // EventTarget
         virtual const AtomicString& interfaceName() const OVERRIDE;
 
         // Setters/Getters for attributes in SharedWorkerGlobalScope.idl
         DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
         String name() const { return m_name; }
 
         SharedWorkerThread* thread();
 
     private:
         SharedWorkerGlobalScope(const String& name, const KURL&, const String& userAgent, SharedWorkerThread*, PassOwnPtr<WorkerClients>);
         virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtr<ScriptCallStack>) OVERRIDE;
 
         String m_name;
     };
 
     PassRefPtr<MessageEvent> createConnectEvent(PassRefPtr<MessagePort>);
 
 } // namespace WebCore
 
 #endif // SharedWorkerGlobalScope_h