Standardize usage of virtual/override/final in chrome/browser/signin/

chrome/browser/signin/signin_global_error.h

 // Copyright (c) 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_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
 #define CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
 
 #include <set>
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "chrome/browser/ui/global_error/global_error.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/signin/core/browser/signin_error_controller.h"
 
 class Profile;
 
 // Shows auth errors on the wrench menu using a bubble view and a menu item.
 class SigninGlobalError : public GlobalErrorWithStandardBubble,
                           public SigninErrorController::Observer,
                           public KeyedService {
  public:
   SigninGlobalError(SigninErrorController* error_controller,
                     Profile* profile);
-  virtual ~SigninGlobalError();
+  ~SigninGlobalError() override;
 
   // Returns true if there is an authentication error.
   bool HasError();
 
   // Shows re-authentication UI to the user in an attempt to fix the error.
   // The re-authentication UI will be shown in |browser|.
   void AttemptToFixError(Browser* browser);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, NoErrorAuthStatusProviders);
   FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, ErrorAuthStatusProvider);
   FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, AuthStatusEnumerateAllErrors);
 
   // KeyedService:
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
   // GlobalErrorWithStandardBubble:
-  virtual bool HasMenuItem() override;
-  virtual int MenuItemCommandID() override;
-  virtual base::string16 MenuItemLabel() override;
-  virtual void ExecuteMenuItem(Browser* browser) override;
-  virtual bool HasBubbleView() override;
-  virtual base::string16 GetBubbleViewTitle() override;
-  virtual std::vector<base::string16> GetBubbleViewMessages() override;
-  virtual base::string16 GetBubbleViewAcceptButtonLabel() override;
-  virtual base::string16 GetBubbleViewCancelButtonLabel() override;
-  virtual void OnBubbleViewDidClose(Browser* browser) override;
-  virtual void BubbleViewAcceptButtonPressed(Browser* browser) override;
-  virtual void BubbleViewCancelButtonPressed(Browser* browser) override;
+  bool HasMenuItem() override;
+  int MenuItemCommandID() override;
+  base::string16 MenuItemLabel() override;
+  void ExecuteMenuItem(Browser* browser) override;
+  bool HasBubbleView() override;
+  base::string16 GetBubbleViewTitle() override;
+  std::vector<base::string16> GetBubbleViewMessages() override;
+  base::string16 GetBubbleViewAcceptButtonLabel() override;
+  base::string16 GetBubbleViewCancelButtonLabel() override;
+  void OnBubbleViewDidClose(Browser* browser) override;
+  void BubbleViewAcceptButtonPressed(Browser* browser) override;
+  void BubbleViewCancelButtonPressed(Browser* browser) override;
 
   // SigninErrorController::Observer:
-  virtual void OnErrorChanged() override;
+  void OnErrorChanged() override;
 
   // The Profile this service belongs to.
   Profile* profile_;
 
   // The SigninErrorController that provides auth status.
   SigninErrorController* error_controller_;
 
   // True if signin global error was added to the global error service.
   bool is_added_to_global_error_service_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninGlobalError);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_