cros: Replace WizardController string constants with OobeScreen values.

chrome/browser/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_
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_OOBE_SCREEN_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_OOBE_SCREEN_H_
 
 #include <string>
 
 namespace chromeos {
 
+// TODO(jdufault): Rename to LoginScreen or similar since this is not directly
+// tied to Oobe. See crbug.com/678740.
+
 // 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,
@@ skipping 10 matching lines @@
   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_USER_SELECTION,
+
+  // Special "first screen" that initiates login flow.
+  SCREEN_SPECIAL_LOGIN,
+  // Special "first screen" that initiates full OOBE flow.
+  SCREEN_SPECIAL_OOBE,
+  // Special test value that commands not to create any window yet.
+  SCREEN_TEST_NO_WINDOW,
+
   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_
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_OOBE_SCREEN_H_