Add OVERRIDE to chrome/browser/ui/webui/.

chrome/browser/ui/webui/ntp/foreign_session_handler.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_
 #pragma once
 
 #include <vector>
 
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sync/glue/session_model_associator.h"
 #include "content/browser/webui/web_ui.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace browser_sync {
 
 class ForeignSessionHandler : public WebUIMessageHandler,
                               public content::NotificationObserver {
  public:
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages();
+  virtual void RegisterMessages() OVERRIDE;
 
   ForeignSessionHandler();
   virtual ~ForeignSessionHandler() {}
 
  private:
   // Used to register ForeignSessionHandler for notifications.
   void Init();
 
   // Determines how ForeignSessionHandler will interact with the new tab page.
   virtual void Observe(int type,
@@ skipping 20 matching lines @@
 
   // The Registrar used to register ForeignSessionHandler for notifications.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ForeignSessionHandler);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_