Implement a policy to autologin a public account.

chrome/browser/chromeos/login/mock_login_display.h

Index: chrome/browser/chromeos/login/mock_login_display.h
diff --git a/chrome/browser/chromeos/login/mock_login_display.h b/chrome/browser/chromeos/login/mock_login_display.h
new file mode 100644
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+++ b/chrome/browser/chromeos/login/mock_login_display.h
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+// Copyright 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_CHROMEOS_LOGIN_MOCK_LOGIN_DISPLAY_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_LOGIN_DISPLAY_H_
+
+#include "base/basictypes.h"
+#include "chrome/browser/chromeos/login/login_display.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace chromeos {
+
+class MockLoginDisplay : public LoginDisplay {
+ public:
+  MockLoginDisplay();
+  ~MockLoginDisplay();
+
+  MOCK_METHOD4(Init, void(const UserList&, bool, bool, bool));
+  MOCK_METHOD0(OnPreferencesChanged, void(void));
+  MOCK_METHOD1(OnUserImageChanged, void(const User&));
+  MOCK_METHOD0(OnFadeOut, void(void));
+  MOCK_METHOD1(OnLoginSuccess, void(const std::string&));
+  MOCK_METHOD1(SetUIEnabled, void(bool));
+  MOCK_METHOD1(SelectPod, void(int));
+  MOCK_METHOD3(ShowError, void(int, int, HelpAppLauncher::HelpTopic));
+  MOCK_METHOD1(ShowErrorScreen, void(LoginDisplay::SigninError));
+  MOCK_METHOD1(ShowGaiaPasswordChanged, void(const std::string&));
+  MOCK_METHOD1(ShowPasswordChangedDialog, void(bool));
+  MOCK_METHOD1(ShowSigninUI, void(const std::string&));
+  MOCK_METHOD1(OnBeforeUserRemoved, void(const std::string&));
+  MOCK_METHOD1(OnUserRemoved, void(const std::string&));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockLoginDisplay);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_LOGIN_DISPLAY_H_