replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/state_store_notification_observer.h

 // Copyright 2014 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_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
 #define CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace extensions {
 class StateStore;
 
 // Initializes the StateStore when session restore is complete, for example when
 // page load notifications are not sent ("Continue where I left off").
 // http://crbug.com/230481
 class StateStoreNotificationObserver : public content::NotificationObserver {
  public:
   explicit StateStoreNotificationObserver(StateStore* state_store);
   virtual ~StateStoreNotificationObserver();
 
   // content::NotificationObserver overrides:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+                       const content::NotificationDetails& details) override;
 
  private:
   StateStore* state_store_;  // Not owned.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(StateStoreNotificationObserver);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_