Update {virtual,override,final} to follow C++11 style in ash.

ash/system/chromeos/bluetooth/bluetooth_notification_controller.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 ASH_SYSTEM_CHROMEOS_BLUETOOTH_BLUETOOTH_NOTIFICATION_CONTROLLER_H_
 #define ASH_SYSTEM_CHROMEOS_BLUETOOTH_BLUETOOTH_NOTIFICATION_CONTROLLER_H_
 
 #include <set>
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 
 namespace ash {
 
 // The BluetoothNotificationController receives incoming pairing requests from
 // the BluetoothAdapter, and notifications of changes to the adapter state and
 // set of paired devices. It presents incoming pairing requests in the form of
 // rich notifications that the user can interact with to approve the request.
 class ASH_EXPORT BluetoothNotificationController
     : public device::BluetoothAdapter::Observer,
       public device::BluetoothDevice::PairingDelegate {
  public:
   BluetoothNotificationController();
-  virtual ~BluetoothNotificationController();
+  ~BluetoothNotificationController() override;
 
   // device::BluetoothAdapter::Observer override.
-  virtual void AdapterDiscoverableChanged(device::BluetoothAdapter* adapter,
-                                          bool discoverable) override;
-  virtual void DeviceAdded(device::BluetoothAdapter* adapter,
-                           device::BluetoothDevice* device) override;
-  virtual void DeviceChanged(device::BluetoothAdapter* adapter,
-                             device::BluetoothDevice* device) override;
-  virtual void DeviceRemoved(device::BluetoothAdapter* adapter,
-                             device::BluetoothDevice* device) override;
+  void AdapterDiscoverableChanged(device::BluetoothAdapter* adapter,
+                                  bool discoverable) override;
+  void DeviceAdded(device::BluetoothAdapter* adapter,
+                   device::BluetoothDevice* device) override;
+  void DeviceChanged(device::BluetoothAdapter* adapter,
+                     device::BluetoothDevice* device) override;
+  void DeviceRemoved(device::BluetoothAdapter* adapter,
+                     device::BluetoothDevice* device) override;
 
   // device::BluetoothDevice::PairingDelegate override.
-  virtual void RequestPinCode(device::BluetoothDevice* device) override;
-  virtual void RequestPasskey(device::BluetoothDevice* device) override;
-  virtual void DisplayPinCode(device::BluetoothDevice* device,
-                              const std::string& pincode) override;
-  virtual void DisplayPasskey(device::BluetoothDevice* device,
-                              uint32 passkey) override;
-  virtual void KeysEntered(device::BluetoothDevice* device,
-                           uint32 entered) override;
-  virtual void ConfirmPasskey(device::BluetoothDevice* device,
-                              uint32 passkey) override;
-  virtual void AuthorizePairing(device::BluetoothDevice* device) override;
+  void RequestPinCode(device::BluetoothDevice* device) override;
+  void RequestPasskey(device::BluetoothDevice* device) override;
+  void DisplayPinCode(device::BluetoothDevice* device,
+                      const std::string& pincode) override;
+  void DisplayPasskey(device::BluetoothDevice* device, uint32 passkey) override;
+  void KeysEntered(device::BluetoothDevice* device, uint32 entered) override;
+  void ConfirmPasskey(device::BluetoothDevice* device, uint32 passkey) override;
+  void AuthorizePairing(device::BluetoothDevice* device) override;
 
  private:
   // Internal method called by BluetoothAdapterFactory to provide the adapter
   // object.
   void OnGetAdapter(scoped_refptr<device::BluetoothAdapter> adapter);
 
   // Presents a notification to the user when the adapter becomes discoverable
   // to other nearby devices.
   void NotifyAdapterDiscoverable();
 
@@ skipping 20 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothNotificationController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothNotificationController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_CHROMEOS_BLUETOOTH_BLUETOOTH_NOTIFICATION_CONTROLLER_H_