[cros] check for updates in WebUI OOBE can be cancelled in dev builds.

chrome/browser/chromeos/login/mock_update_screen.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_CHROMEOS_LOGIN_MOCK_UPDATE_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_UPDATE_SCREEN_H_
 #pragma once
 
 #include "chrome/browser/chromeos/login/update_screen.h"
 #include "chrome/browser/chromeos/login/update_screen_actor.h"
 #include "chrome/browser/chromeos/login/screen_observer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace chromeos {
 
 class MockUpdateScreen : public UpdateScreen {
  public:
   MockUpdateScreen(ScreenObserver* screen_observer, UpdateScreenActor* actor);
   virtual ~MockUpdateScreen();
 
   MOCK_METHOD0(StartUpdate, void());
 };
 
 class MockUpdateScreenActor : public UpdateScreenActor {
  public:
   MockUpdateScreenActor();
   virtual ~MockUpdateScreenActor();
 
+  virtual void SetDelegate(UpdateScreenActor::Delegate* screen) OVERRIDE;
+
+  MOCK_METHOD1(MockSetDelegate, void(UpdateScreenActor::Delegate* screen));
   MOCK_METHOD0(Show, void());
   MOCK_METHOD0(Hide, void());
   MOCK_METHOD0(PrepareToShow, void());
   MOCK_METHOD0(ShowManualRebootInfo, void());
   MOCK_METHOD1(SetProgress, void(int progress));
   MOCK_METHOD1(ShowCurtain, void(bool enable));
   MOCK_METHOD1(ShowPreparingUpdatesInfo, void(bool enable));
+
+ private:
+  UpdateScreenActor::Delegate* screen_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_UPDATE_SCREEN_H_