Update {virtual,override,final} to follow C++11 style.

chrome/browser/ui/auto_login_infobar_delegate.cc

 // Copyright 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.
 
 #include "chrome/browser/ui/auto_login_infobar_delegate.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 31 matching lines @@
 
 // This class is created by the AutoLoginInfoBarDelegate when the user wishes to
 // auto-login.  It holds context information needed while re-issuing service
 // tokens using the OAuth2TokenService, gets the browser cookies with the
 // TokenAuth API, and finally redirects the user to the correct page.
 class AutoLoginRedirector : public UbertokenConsumer,
                             public content::WebContentsObserver {
  public:
   AutoLoginRedirector(content::WebContents* web_contents,
                       const std::string& args);
-  virtual ~AutoLoginRedirector();
+  ~AutoLoginRedirector() override;
 
  private:
   // Overriden from UbertokenConsumer:
-  virtual void OnUbertokenSuccess(const std::string& token) override;
-  virtual void OnUbertokenFailure(const GoogleServiceAuthError& error) override;
+  void OnUbertokenSuccess(const std::string& token) override;
+  void OnUbertokenFailure(const GoogleServiceAuthError& error) override;
 
   // Implementation of content::WebContentsObserver
-  virtual void WebContentsDestroyed() override;
+  void WebContentsDestroyed() override;
 
   // Redirect tab to MergeSession URL, logging the user in and navigating
   // to the desired page.
   void RedirectToMergeSession(const std::string& token);
 
   const std::string args_;
   scoped_ptr<UbertokenFetcher> ubertoken_fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(AutoLoginRedirector);
 };
@@ skipping 151 matching lines @@
   RecordHistogramAction(REJECTED);
   button_pressed_ = true;
   return true;
 }
 
 void AutoLoginInfoBarDelegate::GoogleSignedOut(
     const std::string& account_id,
     const std::string& username) {
   infobar()->RemoveSelf();
 }