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

chrome/browser/chromeos/login/app_launch_signin_screen.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_LOGIN_APP_LAUNCH_SIGNIN_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_APP_LAUNCH_SIGNIN_SCREEN_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 21 matching lines @@
  public:
   class Delegate {
    public:
     virtual void OnOwnerSigninSuccess() = 0;
 
    protected:
     virtual ~Delegate() {}
   };
 
   AppLaunchSigninScreen(OobeUI* oobe_display, Delegate *delegate);
-  virtual ~AppLaunchSigninScreen();
+  ~AppLaunchSigninScreen() override;
 
   void Show();
 
   static void SetUserManagerForTesting(user_manager::UserManager* user_manager);
 
  private:
   void InitOwnerUserList();
   user_manager::UserManager* GetUserManager();
 
   // SigninScreenHandlerDelegate implementation:
-  virtual void CancelPasswordChangedFlow() override;
-  virtual void CancelUserAdding() override;
-  virtual void CreateAccount() override;
-  virtual void CompleteLogin(const UserContext& user_context) override;
-  virtual void Login(const UserContext& user_context,
-                     const SigninSpecifics& specifics) override;
-  virtual void MigrateUserData(const std::string& old_password) override;
-  virtual void LoadWallpaper(const std::string& username) override;
-  virtual void LoadSigninWallpaper() override;
-  virtual void OnSigninScreenReady() override;
-  virtual void RemoveUser(const std::string& username) override;
-  virtual void ResyncUserData() override;
-  virtual void ShowEnterpriseEnrollmentScreen() override;
-  virtual void ShowEnableDebuggingScreen() override;
-  virtual void ShowKioskEnableScreen() override;
-  virtual void ShowKioskAutolaunchScreen() override;
-  virtual void ShowWrongHWIDScreen() override;
-  virtual void SetWebUIHandler(
-      LoginDisplayWebUIHandler* webui_handler) override;
+  void CancelPasswordChangedFlow() override;
+  void CancelUserAdding() override;
+  void CreateAccount() override;
+  void CompleteLogin(const UserContext& user_context) override;
+  void Login(const UserContext& user_context,
+             const SigninSpecifics& specifics) override;
+  void MigrateUserData(const std::string& old_password) override;
+  void LoadWallpaper(const std::string& username) override;
+  void LoadSigninWallpaper() override;
+  void OnSigninScreenReady() override;
+  void RemoveUser(const std::string& username) override;
+  void ResyncUserData() override;
+  void ShowEnterpriseEnrollmentScreen() override;
+  void ShowEnableDebuggingScreen() override;
+  void ShowKioskEnableScreen() override;
+  void ShowKioskAutolaunchScreen() override;
+  void ShowWrongHWIDScreen() override;
+  void SetWebUIHandler(LoginDisplayWebUIHandler* webui_handler) override;
   virtual void ShowSigninScreenForCreds(const std::string& username,
                                         const std::string& password);
-  virtual const user_manager::UserList& GetUsers() const override;
-  virtual bool IsShowGuest() const override;
-  virtual bool IsShowUsers() const override;
-  virtual bool IsSigninInProgress() const override;
-  virtual bool IsUserSigninCompleted() const override;
-  virtual void SetDisplayEmail(const std::string& email) override;
-  virtual void Signout() override;
-  virtual void HandleGetUsers() override;
+  const user_manager::UserList& GetUsers() const override;
+  bool IsShowGuest() const override;
+  bool IsShowUsers() const override;
+  bool IsSigninInProgress() const override;
+  bool IsUserSigninCompleted() const override;
+  void SetDisplayEmail(const std::string& email) override;
+  void Signout() override;
+  void HandleGetUsers() override;
 
   // AuthStatusConsumer implementation:
-  virtual void OnAuthFailure(const AuthFailure& error) override;
-  virtual void OnAuthSuccess(const UserContext& user_context) override;
+  void OnAuthFailure(const AuthFailure& error) override;
+  void OnAuthSuccess(const UserContext& user_context) override;
 
   OobeUI* oobe_ui_;
   Delegate* delegate_;
   LoginDisplayWebUIHandler* webui_handler_;
   scoped_refptr<Authenticator> authenticator_;
 
   // This list should have at most one user, and that user should be the owner.
   user_manager::UserList owner_user_list_;
 
   static user_manager::UserManager* test_user_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLaunchSigninScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_APP_LAUNCH_SIGNIN_SCREEN_H_