[cros] Display emails of users are stored in a separate dictionary in Local State.

chrome/browser/chromeos/login/webui_screen_locker.h

 // Copyright (c) 2011 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_WEBUI_SCREEN_LOCKER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_SCREEN_LOCKER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 31 matching lines @@
   virtual void ShowErrorMessage(const string16& message,
                                 bool sign_out_only) OVERRIDE;
   virtual void ShowCaptchaAndErrorMessage(const GURL& captcha_url,
                                           const string16& message) OVERRIDE;
   virtual void ClearErrors() OVERRIDE;
 
   // LoginDisplay::Delegate: implementation
   virtual void CreateAccount() OVERRIDE;
   virtual string16 GetConnectedNetworkName() OVERRIDE;
   virtual void FixCaptivePortal() OVERRIDE;
+  virtual void SetDisplayEmail(const std::string& email) OVERRIDE;
   virtual void CompleteLogin(const std::string& username,
                              const std::string& password) OVERRIDE;
   virtual void Login(const std::string& username,
                      const std::string& password) OVERRIDE;
   virtual void LoginAsGuest() OVERRIDE;
   virtual void OnUserSelected(const std::string& username) OVERRIDE;
   virtual void OnStartEnterpriseEnrollment() OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
@@ skipping 23 matching lines @@
 
   // Tracks when the WebUI finishes loading.
   bool webui_ready_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIScreenLocker);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_SCREEN_LOCKER_H_