Update {virtual,override,final} for chrome/browser/recovery to follow C++11 style.

chrome/browser/recovery/recovery_install_global_error.h

 // Copyright (c) 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 CHROME_BROWSER_RECOVERY_RECOVERY_INSTALL_GLOBAL_ERROR_H_
 #define CHROME_BROWSER_RECOVERY_RECOVERY_INSTALL_GLOBAL_ERROR_H_
 
 #include "base/prefs/pref_change_registrar.h"
 #include "chrome/browser/ui/global_error/global_error.h"
 #include "components/keyed_service/core/keyed_service.h"
 
 class Profile;
 
 // Shows elevation needed for recovery component install on the wrench menu
 // using a bubble view and a menu item.
 class RecoveryInstallGlobalError : public GlobalErrorWithStandardBubble,
                                    public KeyedService {
  public:
   explicit RecoveryInstallGlobalError(Profile* profile);
-  virtual ~RecoveryInstallGlobalError();
+  ~RecoveryInstallGlobalError() override;
 
  private:
   // KeyedService:
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
   // GlobalErrorWithStandardBubble:
-  virtual Severity GetSeverity() override;
-  virtual bool HasMenuItem() override;
-  virtual int MenuItemCommandID() override;
-  virtual base::string16 MenuItemLabel() override;
-  virtual int MenuItemIconResourceID() override;
-  virtual void ExecuteMenuItem(Browser* browser) override;
-  virtual bool HasBubbleView() override;
-  virtual bool HasShownBubbleView() override;
-  virtual void ShowBubbleView(Browser* browser) override;
-  virtual gfx::Image GetBubbleViewIcon() override;
-  virtual base::string16 GetBubbleViewTitle() override;
-  virtual std::vector<base::string16> GetBubbleViewMessages() override;
-  virtual base::string16 GetBubbleViewAcceptButtonLabel() override;
-  virtual bool ShouldAddElevationIconToAcceptButton() override;
-  virtual base::string16 GetBubbleViewCancelButtonLabel() override;
-  virtual void OnBubbleViewDidClose(Browser* browser) override;
-  virtual void BubbleViewAcceptButtonPressed(Browser* browser) override;
-  virtual void BubbleViewCancelButtonPressed(Browser* browser) override;
+  Severity GetSeverity() override;
+  bool HasMenuItem() override;
+  int MenuItemCommandID() override;
+  base::string16 MenuItemLabel() override;
+  int MenuItemIconResourceID() override;
+  void ExecuteMenuItem(Browser* browser) override;
+  bool HasBubbleView() override;
+  bool HasShownBubbleView() override;
+  void ShowBubbleView(Browser* browser) override;
+  gfx::Image GetBubbleViewIcon() override;
+  base::string16 GetBubbleViewTitle() override;
+  std::vector<base::string16> GetBubbleViewMessages() override;
+  base::string16 GetBubbleViewAcceptButtonLabel() override;
+  bool ShouldAddElevationIconToAcceptButton() override;
+  base::string16 GetBubbleViewCancelButtonLabel() override;
+  void OnBubbleViewDidClose(Browser* browser) override;
+  void BubbleViewAcceptButtonPressed(Browser* browser) override;
+  void BubbleViewCancelButtonPressed(Browser* browser) override;
 
   bool HasElevationNotification() const;
   void OnElevationRequirementChanged();
 
   bool elevation_needed_;
 
   // The Profile this service belongs to.
   Profile* profile_;
 
   // Monitors registry change for recovery component install.
   PrefChangeRegistrar pref_registrar_;
 
   bool has_shown_bubble_view_;
 
   DISALLOW_COPY_AND_ASSIGN(RecoveryInstallGlobalError);
 };
 
 #endif  // CHROME_BROWSER_RECOVERY_RECOVERY_INSTALL_GLOBAL_ERROR_H_