Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/app_mode.

chrome/browser/chromeos/app_mode/kiosk_app_update_service.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_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_SERVICE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 20 matching lines @@
 
 // This class enforces automatic restart on app and Chrome updates in app mode.
 class KioskAppUpdateService : public KeyedService,
                               public extensions::UpdateObserver,
                               public system::AutomaticRebootManagerObserver,
                               public KioskAppManagerObserver {
  public:
   KioskAppUpdateService(
       Profile* profile,
       system::AutomaticRebootManager* automatic_reboot_manager);
-  virtual ~KioskAppUpdateService();
+  ~KioskAppUpdateService() override;
 
   void Init(const std::string& app_id);
 
   std::string get_app_id() const { return app_id_; }
 
  private:
   friend class KioskAppUpdateServiceTest;
 
   void StartAppUpdateRestartTimer();
   void ForceAppUpdateRestart();
 
   // KeyedService overrides:
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
   // extensions::UpdateObserver overrides:
-  virtual void OnAppUpdateAvailable(
-      const extensions::Extension* extension) override;
-  virtual void OnChromeUpdateAvailable() override {}
+  void OnAppUpdateAvailable(const extensions::Extension* extension) override;
+  void OnChromeUpdateAvailable() override {}
 
   // system::AutomaticRebootManagerObserver overrides:
-  virtual void OnRebootRequested(Reason reason) override;
-  virtual void WillDestroyAutomaticRebootManager() override;
+  void OnRebootRequested(Reason reason) override;
+  void WillDestroyAutomaticRebootManager() override;
 
   // KioskAppManagerObserver overrides:
-  virtual void OnKioskAppCacheUpdated(const std::string& app_id) override;
+  void OnKioskAppCacheUpdated(const std::string& app_id) override;
 
   Profile* profile_;
   std::string app_id_;
 
   // After we detect an upgrade we start a one-short timer to force restart.
   base::OneShotTimer<KioskAppUpdateService> restart_timer_;
 
   system::AutomaticRebootManager* automatic_reboot_manager_;  // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(KioskAppUpdateService);
 };
 
 // Singleton that owns all KioskAppUpdateServices and associates them with
 // profiles.
 class KioskAppUpdateServiceFactory : public BrowserContextKeyedServiceFactory {
  public:
   // Returns the KioskAppUpdateService for |profile|, creating it if it is not
   // yet created.
   static KioskAppUpdateService* GetForProfile(Profile* profile);
 
   // Returns the KioskAppUpdateServiceFactory instance.
   static KioskAppUpdateServiceFactory* GetInstance();
 
  private:
   friend struct DefaultSingletonTraits<KioskAppUpdateServiceFactory>;
 
   KioskAppUpdateServiceFactory();
-  virtual ~KioskAppUpdateServiceFactory();
+  ~KioskAppUpdateServiceFactory() override;
 
   // BrowserContextKeyedServiceFactory overrides:
-  virtual KeyedService* BuildServiceInstanceFor(
+  KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* profile) const override;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_SERVICE_H_