Implement a policy to autologin a public account.

chrome/browser/chromeos/login/webui_screen_locker.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_WEBUI_SCREEN_LOCKER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_SCREEN_LOCKER_H_
 
 #include <string>
 
 #include "ash/wm/session_state_observer.h"
@@ skipping 55 matching lines @@
   virtual void CreateLocallyManagedUser(const string16& display_name,
                                         const std::string& password) OVERRIDE;
 
   virtual void CompleteLogin(const std::string& username,
                              const std::string& password) OVERRIDE;
   virtual string16 GetConnectedNetworkName() OVERRIDE;
   virtual void Login(const std::string& username,
                      const std::string& password) OVERRIDE;
   virtual void LoginAsRetailModeUser() OVERRIDE;
   virtual void LoginAsGuest() OVERRIDE;
+  virtual void OnSigninScreenReady() OVERRIDE;
   virtual void MigrateUserData(const std::string& old_password) OVERRIDE;
   virtual void LoginAsPublicAccount(const std::string& username) OVERRIDE;
   virtual void OnUserSelected(const std::string& username) OVERRIDE;
   virtual void OnStartEnterpriseEnrollment() OVERRIDE;
   virtual void OnStartDeviceReset() OVERRIDE;
   virtual void ResyncUserData() OVERRIDE;
   virtual void SetDisplayEmail(const std::string& email) OVERRIDE;
   virtual void Signout() OVERRIDE;
 
   // content::NotificationObserver (via WebUILoginView) implementation.
@@ skipping 43 matching lines @@
   base::TimeTicks lock_time_;
 
   base::WeakPtrFactory<WebUIScreenLocker> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIScreenLocker);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_SCREEN_LOCKER_H_