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

chrome/browser/chromeos/settings/device_settings_service.h

 // Copyright (c) 2012 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_SETTINGS_DEVICE_SETTINGS_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_SERVICE_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 77 matching lines @@
 
   // Manage singleton instance.
   static void Initialize();
   static bool IsInitialized();
   static void Shutdown();
   static DeviceSettingsService* Get();
 
   // Creates a device settings service instance. This is meant for unit tests,
   // production code uses the singleton returned by Get() above.
   DeviceSettingsService();
-  virtual ~DeviceSettingsService();
+  ~DeviceSettingsService() override;
 
   // To be called on startup once threads are initialized and DBus is ready.
   void SetSessionManager(SessionManagerClient* session_manager_client,
                          scoped_refptr<ownership::OwnerKeyUtil> owner_key_util);
 
   // Prevents the service from making further calls to session_manager_client
   // and stops any pending operations.
   void UnsetSessionManager();
 
   SessionManagerClient* session_manager_client() const {
@@ skipping 58 matching lines @@
   const std::string& GetUsername() const;
 
   ownership::OwnerSettingsService* GetOwnerSettingsService() const;
 
   // Adds an observer.
   void AddObserver(Observer* observer);
   // Removes an observer.
   void RemoveObserver(Observer* observer);
 
   // SessionManagerClient::Observer:
-  virtual void OwnerKeySet(bool success) override;
-  virtual void PropertyChangeComplete(bool success) override;
+  void OwnerKeySet(bool success) override;
+  void PropertyChangeComplete(bool success) override;
 
  private:
   friend class OwnerSettingsServiceChromeOS;
 
   // Enqueues a new operation. Takes ownership of |operation| and starts it
   // right away if there is no active operation currently.
   void Enqueue(const linked_ptr<SessionManagerOperation>& operation);
 
   // Enqueues a load operation.
   void EnqueueLoad(bool force_key_load);
@@ skipping 49 matching lines @@
   ScopedTestDeviceSettingsService();
   ~ScopedTestDeviceSettingsService();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScopedTestDeviceSettingsService);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_SERVICE_H_