Add OVERRIDE to content/.

content/browser/notification_service_impl.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 CONTENT_PUBLIC_BROWSER_NOTIFICATION_SERVICE_IMPL_H_
 #define CONTENT_PUBLIC_BROWSER_NOTIFICATION_SERVICE_IMPL_H_
 #pragma once
 
 #include <map>
 
@@ skipping 11 matching lines @@
  public:
   static NotificationServiceImpl* current();
 
   // Normally instantiated when the thread is created.  Not all threads have
   // a NotificationService.  Only one instance should be created per thread.
   NotificationServiceImpl();
   virtual ~NotificationServiceImpl();
 
   // content::NotificationService
   virtual void Notify(int type,
-              const content::NotificationSource& source,
-              const content::NotificationDetails& details);
+                      const content::NotificationSource& source,
+                      const content::NotificationDetails& details) OVERRIDE;
 
  private:
   friend class content::NotificationRegistrar;
 
   typedef ObserverList<content::NotificationObserver> NotificationObserverList;
   typedef std::map<uintptr_t, NotificationObserverList*> NotificationSourceMap;
   typedef std::map<int, NotificationSourceMap> NotificationObserverMap;
   typedef std::map<int, int> NotificationObserverCount;
 
   // Convenience function to determine whether a source has a
@@ skipping 40 matching lines @@
 #ifndef NDEBUG
   // Used to check to see that AddObserver and RemoveObserver calls are
   // balanced.
   NotificationObserverCount observer_counts_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(NotificationServiceImpl);
 };
 
 #endif  // CONTENT_PUBLIC_BROWSER_NOTIFICATION_SERVICE_IMPL_H_