Allow sync with 2-factor StrongAuth accounts in ChromeOS.

chrome/browser/chromeos/login/existing_user_controller.h

 // Copyright (c) 2010 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_CHROMEOS_LOGIN_EXISTING_USER_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_EXISTING_USER_CONTROLLER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 70 matching lines @@
   virtual void LoginOffTheRecord();
   virtual void ClearErrors();
   virtual void OnUserSelected(UserController* source);
   virtual void ActivateWizard(const std::string& screen_name);
   virtual void RemoveUser(UserController* source);
   virtual void AddStartUrl(const GURL& start_url) { start_url_ = start_url; }
   virtual void SelectUser(int index);
   virtual void SetStatusAreaEnabled(bool enable);
 
   // LoginPerformer::Delegate implementation:
+  virtual void SetLoginFailure(const LoginFailure& error);
   virtual void OnLoginFailure(const LoginFailure& error);
   virtual void OnLoginSuccess(
       const std::string& username,
       const std::string& password,
       const GaiaAuthConsumer::ClientLoginResult& credentials,
       bool pending_requests);
   virtual void OnOffTheRecordLoginSuccess();
   virtual void OnPasswordChangeDetected(
       const GaiaAuthConsumer::ClientLoginResult& credentials);
   virtual void WhiteListCheckFailed(const std::string& email);
@@ skipping 61 matching lines @@
 
   // URL that will be opened on browser startup.
   GURL start_url_;
 
   // Help application used for help dialogs.
   scoped_ptr<HelpAppLauncher> help_app_;
 
   // A user settings provider instance to trigger settings cache update.
   scoped_ptr<UserCrosSettingsProvider> user_settings_;
 
+  // True if there was a two-factor error during login.
+  bool two_factor_error_;
+
   DISALLOW_COPY_AND_ASSIGN(ExistingUserController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EXISTING_USER_CONTROLLER_H_