ChromeOS: This CL fixes bug in UserManager::GetKnownUserAccountId .

chrome/browser/chromeos/login/screens/user_selection_screen.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 91 matching lines @@
 
   // Fills |user_dict| with |user| multi-profile related preferences.
   static void FillMultiProfileUserPrefs(user_manager::User* user,
                                         base::DictionaryValue* user_dict,
                                         bool is_signin_to_add);
 
   // Determines if user auth status requires online sign in.
   static bool ShouldForceOnlineSignIn(const user_manager::User* user);
 
  protected:
-  // This call forms full account id of a known user by email.
-  // This is a temporary call while migrating to AccountId.
-  static AccountId GetAccountIdOfKnownUser(const std::string& user_id);
-
   LoginDisplayWebUIHandler* handler_;
   LoginDisplay::Delegate* login_display_delegate_;
   UserBoardView* view_;
 
   // Map from public session account IDs to recommended locales set by policy.
   typedef std::map<AccountId, std::vector<std::string> >
       PublicSessionRecommendedLocaleMap;
   PublicSessionRecommendedLocaleMap public_session_recommended_locales_;
 
  private:
@@ skipping 24 matching lines @@
   scoped_ptr<TokenHandleUtil> token_handle_util_;
 
   base::WeakPtrFactory<UserSelectionScreen> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UserSelectionScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_