Fix virtual/override/final usage in Source/web/.

Source/web/SharedWorkerRepositoryClientImpl.cpp

 /*
  * 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 49 matching lines @@
         , m_url(url)
         , m_name(name)
         , m_webWorkerConnector(webWorkerConnector)
         , m_channel(channel) { }
 
     virtual ~SharedWorkerConnector();
     void connect();
 
 private:
     // WebSharedWorkerConnector::ConnectListener overrides.
-    virtual void connected() override;
-    virtual void scriptLoadFailed() override;
+    void connected() override;
+    void scriptLoadFailed() override;
 
     RefPtrWillBePersistent<SharedWorker> m_worker;
     KURL m_url;
     String m_name;
     OwnPtr<WebSharedWorkerConnector> m_webWorkerConnector;
     OwnPtr<WebMessagePortChannel> m_channel;
 };
 
 SharedWorkerConnector::~SharedWorkerConnector()
 {
@@ skipping 64 matching lines @@
     ASSERT(m_client);
     m_client->documentDetached(getId(document));
 }
 
 SharedWorkerRepositoryClientImpl::SharedWorkerRepositoryClientImpl(WebSharedWorkerRepositoryClient* client)
     : m_client(client)
 {
 }
 
 } // namespace blink