Fix of "login is not defined" error in OOBE

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

 // Copyright (c) 2013 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_SIGNIN_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 213 matching lines @@
       public NetworkStateInformer::NetworkStateInformerObserver,
       public PowerManagerClient::Observer,
       public input_method::ImeKeyboard::Observer,
       public ash::mojom::TouchViewObserver,
       public OobeUI::Observer {
  public:
   SigninScreenHandler(
       const scoped_refptr<NetworkStateInformer>& network_state_informer,
       ErrorScreen* error_screen,
       CoreOobeView* core_oobe_view,
-      GaiaScreenHandler* gaia_screen_handler);
+      GaiaScreenHandler* gaia_screen_handler,
+      JSCallsContainer* js_calls_container);
   ~SigninScreenHandler() override;
 
   static std::string GetUserLRUInputMethod(const std::string& username);
 
   // Update current input method (namely keyboard layout) in the given IME state
   // to LRU by this user.
   static void SetUserInputMethod(
       const std::string& username,
       input_method::InputMethodManager::State* ime_state);
 
@@ skipping 289 matching lines @@
   std::unique_ptr<AccountId> focused_pod_account_id_;
 
   base::WeakPtrFactory<SigninScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_