Update {virtual,override,final} to follow C++11 style in components, round 2.

components/pairing/shark_connection_listener.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_PAIRING_SHARK_CONNECTION_LISTENER_H_
 #define COMPONENTS_PAIRING_SHARK_CONNECTION_LISTENER_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/pairing/host_pairing_controller.h"
 
 namespace pairing_chromeos {
 
 // Listens for incoming connection from shark controller. If connection
 // is established, invokes callback passing HostPairingController
 // as an argument.
 class SharkConnectionListener : public HostPairingController::Observer {
  public:
   typedef base::Callback<void(scoped_ptr<HostPairingController>)>
       OnConnectedCallback;
 
   explicit SharkConnectionListener(OnConnectedCallback callback);
-  virtual ~SharkConnectionListener();
+  ~SharkConnectionListener() override;
 
  private:
   typedef HostPairingController::Stage Stage;
 
   // HostPairingController::Observer overrides:
-  virtual void PairingStageChanged(Stage new_stage) override;
-  virtual void ConfigureHost(bool accepted_eula,
-                             const std::string& lang,
-                             const std::string& timezone,
-                             bool send_reports,
-                             const std::string& keyboard_layout) override;
-  virtual void EnrollHost(const std::string& auth_token) override;
+  void PairingStageChanged(Stage new_stage) override;
+  void ConfigureHost(bool accepted_eula,
+                     const std::string& lang,
+                     const std::string& timezone,
+                     bool send_reports,
+                     const std::string& keyboard_layout) override;
+  void EnrollHost(const std::string& auth_token) override;
 
   OnConnectedCallback callback_;
   scoped_ptr<HostPairingController> controller_;
 
   DISALLOW_COPY_AND_ASSIGN(SharkConnectionListener);
 };
 
 }  // namespace pairing_chromeos
 
 #endif  // COMPONENTS_PAIRING_SHARK_CONNECTION_LISTENER_H_