Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/login_view.h

 // Copyright (c) 2011 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_UI_VIEWS_LOGIN_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOGIN_VIEW_H_
 
 #include "base/compiler_specific.h"
 #include "components/password_manager/core/browser/login_model.h"
 #include "ui/views/view.h"
 
 namespace views {
 class Label;
 class Textfield;
 }
 
 // This class is responsible for displaying the contents of a login window
 // for HTTP/FTP authentication.
 class LoginView : public views::View,
                   public password_manager::LoginModelObserver {
  public:
   // |model| is observed for the entire lifetime of the LoginView.
   // Therefore |model| should not be destroyed before the LoginView object.
   LoginView(const base::string16& explanation,
             password_manager::LoginModel* model);
-  virtual ~LoginView();
+  ~LoginView() override;
 
   // Access the data in the username/password text fields.
   const base::string16& GetUsername() const;
   const base::string16& GetPassword() const;
 
   // LoginModelObserver implementation.
-  virtual void OnAutofillDataAvailable(const base::string16& username,
-                                       const base::string16& password) override;
-  virtual void OnLoginModelDestroying() override;
+  void OnAutofillDataAvailable(const base::string16& username,
+                               const base::string16& password) override;
+  void OnLoginModelDestroying() override;
 
   // Used by LoginHandlerWin to set the initial focus.
   views::View* GetInitiallyFocusedView();
 
  private:
   // Non-owning refs to the input text fields.
   views::Textfield* username_field_;
   views::Textfield* password_field_;
 
   // Button labels
   views::Label* username_label_;
   views::Label* password_label_;
 
   // Authentication message.
   views::Label* message_label_;
 
   // If not null, points to a model we need to notify of our own destruction
   // so it doesn't try and access this when its too late.
   password_manager::LoginModel* login_model_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOGIN_VIEW_H_