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

chrome/browser/extensions/extension_storage_monitor_factory.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_EXTENSION_STORAGE_MONITOR_FACTORY_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_STORAGE_MONITOR_FACTORY_H_
 
 #include "base/memory/singleton.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
@@ skipping 10 matching lines @@
   static ExtensionStorageMonitorFactory* GetInstance();
 
  private:
   friend struct DefaultSingletonTraits<ExtensionStorageMonitorFactory>;
 
   ExtensionStorageMonitorFactory();
   virtual ~ExtensionStorageMonitorFactory();
 
   // BrowserContextKeyedServiceFactory implementation:
   virtual KeyedService* BuildServiceInstanceFor(
-      content::BrowserContext* context) const OVERRIDE;
+      content::BrowserContext* context) const override;
   virtual content::BrowserContext* GetBrowserContextToUse(
-      content::BrowserContext* context) const OVERRIDE;
-  virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
-  virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
+      content::BrowserContext* context) const override;
+  virtual bool ServiceIsCreatedWithBrowserContext() const override;
+  virtual bool ServiceIsNULLWhileTesting() const override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_STORAGE_MONITOR_FACTORY_H_