Revert of This CL replaces e-mail with AccountId on user selection screen.

chrome/browser/chromeos/login/ui/webui_login_display.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/chromeos/login/ui/webui_login_display.h"
 
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/screens/chrome_user_selection_screen.h"
 #include "chrome/browser/chromeos/login/signin_screen_controller.h"
@@ skipping 59 matching lines @@
 }
 
 // ---- Common methods
 
 // ---- User selection screen methods
 
 void WebUILoginDisplay::HandleGetUsers() {
   SignInScreenController::Get()->SendUserList();
 }
 
-void WebUILoginDisplay::CheckUserStatus(const AccountId& account_id) {
-  SignInScreenController::Get()->CheckUserStatus(account_id);
+void WebUILoginDisplay::CheckUserStatus(const std::string& user_id) {
+  SignInScreenController::Get()->CheckUserStatus(user_id);
 }
 
 // ---- Gaia screen methods
 
 // ---- Not yet classified methods
 
 void WebUILoginDisplay::OnPreferencesChanged() {
   if (webui_handler_)
     webui_handler_->OnPreferencesChanged();
 }
@@ skipping 235 matching lines @@
 }
 
 bool WebUILoginDisplay::IsUserWhitelisted(const std::string& user_id) {
   DCHECK(delegate_);
   if (delegate_)
     return delegate_->IsUserWhitelisted(user_id);
   return true;
 }
 
 }  // namespace chromeos