ScreenObserver is renamed to BaseScreenDelegate.

chrome/browser/chromeos/login/enrollment/mock_enrollment_screen.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_ENROLLMENT_MOCK_ENROLLMENT_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_MOCK_ENROLLMENT_SCREEN_H_
 
 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen.h"
 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen_actor.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace chromeos {
 
 class MockEnrollmentScreen : public EnrollmentScreen {
  public:
-  MockEnrollmentScreen(ScreenObserver* screen_observer,
+  MockEnrollmentScreen(BaseScreenDelegate* base_screen_delegate,
                        EnrollmentScreenActor* actor);
   virtual ~MockEnrollmentScreen();
 };
 
 class MockEnrollmentScreenActor
     : public EnrollmentScreenActor {
  public:
   MockEnrollmentScreenActor();
   virtual ~MockEnrollmentScreenActor();
 
@@ skipping 10 matching lines @@
   MOCK_METHOD0(ShowEnrollmentSpinnerScreen, void());
   MOCK_METHOD0(ShowLoginSpinnerScreen, void());
   MOCK_METHOD1(ShowAuthError, void(const GoogleServiceAuthError&));
   MOCK_METHOD1(ShowUIError, void(UIError));
   MOCK_METHOD1(ShowEnrollmentStatus, void(policy::EnrollmentStatus status));
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_MOCK_ENROLLMENT_SCREEN_H_