ScreenObserver is renamed to BaseScreenDelegate.

chrome/browser/chromeos/login/screens/mock_base_screen_delegate.h

Index: chrome/browser/chromeos/login/screens/mock_base_screen_delegate.h
diff --git a/chrome/browser/chromeos/login/screens/mock_base_screen_delegate.h b/chrome/browser/chromeos/login/screens/mock_base_screen_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..3d514108c4a49a2b664f658a918c6f868085fd7b
--- /dev/null
+++ b/chrome/browser/chromeos/login/screens/mock_base_screen_delegate.h
@@ -0,0 +1,31 @@
+// 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_BASE_SCREEN_DELEGATE_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_MOCK_BASE_SCREEN_DELEGATE_H_
+
+#include <string>
+
+#include "chrome/browser/chromeos/login/screens/base_screen_delegate.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace chromeos {
+
+// Interface that handles notifications received from any of login wizard
+// screens.
+class MockBaseScreenDelegate : public BaseScreenDelegate {
+ public:
+  MockBaseScreenDelegate();
+  virtual ~MockBaseScreenDelegate();
+
+  MOCK_METHOD1(OnExit, void(ExitCodes));
+  MOCK_METHOD0(ShowCurrentScreen, void());
+  MOCK_METHOD0(GetErrorScreen, ErrorScreen*());
+  MOCK_METHOD0(ShowErrorScreen, void());
+  MOCK_METHOD1(HideErrorScreen, void(BaseScreen*));
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_MOCK_BASE_SCREEN_DELEGATE_H_