cros: Replace WizardController string constants with OobeScreen values.

chrome/browser/ui/webui/chromeos/login/oobe_screen.h

-// Copyright (c) 2016 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_UI_WEBUI_CHROMEOS_LOGIN_OOBE_SCREEN_H_
-#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_SCREEN_H_
-
-#include <string>
-
-namespace chromeos {
-
-// Different screens in the Oobe. If you update this enum, *make sure* to
-// update kScreenNames in the cc file as well.
-enum class OobeScreen : unsigned int {
-  SCREEN_OOBE_HID_DETECTION = 0,
-  SCREEN_OOBE_NETWORK,
-  SCREEN_OOBE_EULA,
-  SCREEN_OOBE_UPDATE,
-  SCREEN_OOBE_ENABLE_DEBUGGING,
-  SCREEN_OOBE_ENROLLMENT,
-  SCREEN_OOBE_RESET,
-  SCREEN_GAIA_SIGNIN,
-  SCREEN_ACCOUNT_PICKER,
-  SCREEN_KIOSK_AUTOLAUNCH,
-  SCREEN_KIOSK_ENABLE,
-  SCREEN_ERROR_MESSAGE,
-  SCREEN_USER_IMAGE_PICKER,
-  SCREEN_TPM_ERROR,
-  SCREEN_PASSWORD_CHANGED,
-  SCREEN_CREATE_SUPERVISED_USER_FLOW,
-  SCREEN_TERMS_OF_SERVICE,
-  SCREEN_ARC_TERMS_OF_SERVICE,
-  SCREEN_WRONG_HWID,
-  SCREEN_AUTO_ENROLLMENT_CHECK,
-  SCREEN_APP_LAUNCH_SPLASH,
-  SCREEN_CONFIRM_PASSWORD,
-  SCREEN_FATAL_ERROR,
-  SCREEN_OOBE_CONTROLLER_PAIRING,
-  SCREEN_OOBE_HOST_PAIRING,
-  SCREEN_DEVICE_DISABLED,
-  SCREEN_UNRECOVERABLE_CRYPTOHOME_ERROR,
-  SCREEN_UNKNOWN  // This must always be the last element.
-};
-
-// Returns the JS name for the given screen.
-std::string GetOobeScreenName(OobeScreen screen);
-
-// Converts the JS name for the given sreen into a Screen instance.
-OobeScreen GetOobeScreenFromName(const std::string& name);
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_SCREEN_H_