WizardScreen is merged to BaseScreen.

chrome/browser/chromeos/login/screens/mock_screen_observer.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_SCREENS_MOCK_SCREEN_OBSERVER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_MOCK_SCREEN_OBSERVER_H_
 
 #include <string>
 
 #include "chrome/browser/chromeos/login/screens/screen_observer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace chromeos {
 
 // Interface that handles notifications received from any of login wizard
 // screens.
 class MockScreenObserver : public ScreenObserver {
  public:
   MockScreenObserver();
   virtual ~MockScreenObserver();
 
   MOCK_METHOD1(OnExit, void(ExitCodes));
   MOCK_METHOD0(ShowCurrentScreen, void());
   MOCK_METHOD2(OnSetUserNamePassword,
                void(const std::string&, const std::string&));
   MOCK_METHOD1(SetUsageStatisticsReporting, void(bool));
   MOCK_CONST_METHOD0(GetUsageStatisticsReporting, bool());
   MOCK_METHOD0(GetErrorScreen, ErrorScreen*());
   MOCK_METHOD0(ShowErrorScreen, void());
-  MOCK_METHOD1(HideErrorScreen, void(WizardScreen*));
+  MOCK_METHOD1(HideErrorScreen, void(BaseScreen*));
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_MOCK_SCREEN_OBSERVER_H_