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

chrome/browser/extensions/extension_notification_observer.h

 // Copyright 2013 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_EXTENSION_NOTIFICATION_OBSERVER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_NOTIFICATION_OBSERVER_H_
 
 #include <set>
 #include <string>
 
@@ skipping 35 matching lines @@
                                               extensions::NotificationType t3,
                                               extensions::NotificationType t4,
                                               extensions::NotificationType t5,
                                               extensions::NotificationType t6)
       WARN_UNUSED_RESULT;
 
  private:
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+                       const content::NotificationDetails& details) override;
 
   // Checks then clears notifications for our extensions.
   testing::AssertionResult CheckNotifications(
       const std::vector<extensions::NotificationType>& types);
 
   const std::set<std::string> extension_ids_;
   std::vector<extensions::NotificationType> notifications_;
   content::NotificationRegistrar registrar_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_NOTIFICATION_OBSERVER_H_