This CL replaces e-mail with AccountId in easy signin code.

chrome/browser/chromeos/login/existing_user_controller.h

 // Copyright (c) 2012 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_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 74 matching lines @@
   void OnSigninScreenReady() override;
   void OnStartEnterpriseEnrollment() override;
   void OnStartEnableDebuggingScreen() override;
   void OnStartKioskEnableScreen() override;
   void OnStartKioskAutolaunchScreen() override;
   void ResetPublicSessionAutoLoginTimer() override;
   void ResyncUserData() override;
   void SetDisplayEmail(const std::string& email) override;
   void ShowWrongHWIDScreen() override;
   void Signout() override;
-  bool IsUserWhitelisted(const std::string& user_id) override;
+  bool IsUserWhitelisted(const AccountId& account_id) override;
 
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // Set a delegate that we will pass AuthStatusConsumer events to.
   // Used for testing.
   void set_login_status_consumer(AuthStatusConsumer* consumer) {
     auth_status_consumer_ = consumer;
@@ skipping 219 matching lines @@
 
   // Factory of callbacks.
   base::WeakPtrFactory<ExistingUserController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExistingUserController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EXISTING_USER_CONTROLLER_H_