Standardize usage of virtual/override/final in components/

components/proximity_auth/bluetooth_connection.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 COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_CONNECTION_H
 #define COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_CONNECTION_H
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 15 matching lines @@
 // Represents a Bluetooth connection with a remote device. The connection is a
 // persistent bidirectional channel for sending and receiving wire messages.
 class BluetoothConnection : public Connection,
                             public device::BluetoothAdapter::Observer {
  public:
   // Constructs a Bluetooth connection to the service with |uuid| on the
   // |remote_device|. The |remote_device| must already be known to the system
   // Bluetooth daemon.
   BluetoothConnection(const RemoteDevice& remote_device,
                       const device::BluetoothUUID& uuid);
-  virtual ~BluetoothConnection();
+  ~BluetoothConnection() override;
 
  protected:
   // Connection:
-  virtual void Connect() override;
-  virtual void Disconnect() override;
-  virtual void SendMessageImpl(scoped_ptr<WireMessage> message) override;
+  void Connect() override;
+  void Disconnect() override;
+  void SendMessageImpl(scoped_ptr<WireMessage> message) override;
 
   // BluetoothAdapter::Observer:
-  virtual void DeviceRemoved(device::BluetoothAdapter* adapter,
-                             device::BluetoothDevice* device) override;
+  void DeviceRemoved(device::BluetoothAdapter* adapter,
+                     device::BluetoothDevice* device) override;
 
  private:
   // Registers receive callbacks with the backing |socket_|.
   void StartReceive();
 
   // Callbacks for asynchronous Bluetooth operations.
   void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter);
   void OnConnected(scoped_refptr<device::BluetoothSocket> socket);
   void OnConnectionError(const std::string& error_message);
   void OnSend(int bytes_sent);
@@ skipping 19 matching lines @@
   scoped_ptr<WireMessage> pending_message_;
 
   base::WeakPtrFactory<BluetoothConnection> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothConnection);
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_CONNECTION_H