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

chrome/browser/chromeos/login/app_launch_signin_screen.h

Index: chrome/browser/chromeos/login/app_launch_signin_screen.h
diff --git a/chrome/browser/chromeos/login/app_launch_signin_screen.h b/chrome/browser/chromeos/login/app_launch_signin_screen.h
index 17b5efc618e2983dad3af0323be4df2a1b0bc20d..8e4919b50e1069fe94bcb60637e73021998bdc2d 100644
--- a/chrome/browser/chromeos/login/app_launch_signin_screen.h
+++ b/chrome/browser/chromeos/login/app_launch_signin_screen.h
@@ -39,7 +39,7 @@ class AppLaunchSigninScreen : public SigninScreenHandlerDelegate,
   };
 
   AppLaunchSigninScreen(OobeUI* oobe_display, Delegate *delegate);
-  virtual ~AppLaunchSigninScreen();
+  ~AppLaunchSigninScreen() override;
 
   void Show();
 
@@ -50,39 +50,38 @@ class AppLaunchSigninScreen : public SigninScreenHandlerDelegate,
   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_;