Fix of "login is not defined" error in OOBE

chrome/browser/ui/webui/chromeos/login/oobe_ui.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_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 242 matching lines @@
   std::vector<base::Closure> ready_callbacks_;
 
   // List of registered observers.
   base::ObserverList<Observer> observer_list_;
 
   // Observer of CrosSettings watching the kRebootOnShutdown policy.
   std::unique_ptr<ShutdownPolicyHandler> shutdown_policy_handler_;
 
   std::unique_ptr<ash::ScreenDimmer> screen_dimmer_;
 
+  // Store the deferred JS calls before the screen handler instance is
+  // initialized.
+  std::unique_ptr<JSCallsContainer> js_calls_container;
+
   DISALLOW_COPY_AND_ASSIGN(OobeUI);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_