Allow sync with 2-factor StrongAuth accounts in ChromeOS.

chrome/browser/chromeos/login/login_performer.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_LOGIN_PERFORMER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_PERFORMER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 23 matching lines @@
   // Delegate class to get notifications from the LoginPerformer.
   class Delegate : public LoginStatusConsumer {
    public:
     virtual ~Delegate() {}
     virtual void WhiteListCheckFailed(const std::string& email) = 0;
   };
 
   explicit LoginPerformer(Delegate* delegate);
 
   // LoginStatusConsumer implementation:
+  virtual void SetLoginFailure(const LoginFailure& failure);
   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);
 
@@ skipping 52 matching lines @@
 
   // Notifications receiver.
   Delegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginPerformer);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_PERFORMER_H_