Add a pref to track progress of OOBE and resume if needed.

chrome/browser/chromeos/login/startup_utils.h

 // 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_STARTUP_UTILS_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_STARTUP_UTILS_H_
 
 #include <string>
 
 class PrefRegistrySimple;
 
 namespace chromeos {
 
 // Static utitliy methods used in startup time to get/change bits of device
 // state.
 class StartupUtils {
  public:
   // Returns true if EULA has been accepted.
   static bool IsEulaAccepted();
 
   // Returns OOBE completion status.
   static bool IsOobeCompleted();
 
   // Marks EULA status as accepted.
   static void MarkEulaAccepted();
 
   // Marks OOBE process as completed.
   static void MarkOobeCompleted();
 
+  // Stores the next pending OOBE stage in case it will need to be resumed.
+  static void SaveOobePendingStage(const std::string& stage);
+
   // Returns device registration completion status, i.e. second part of OOBE.
   static bool IsDeviceRegistered();
 
   // Marks device registered. i.e. second part of OOBE is completed.
   static void MarkDeviceRegistered();
 
   // Returns initial locale from local settings.
   static std::string GetInitialLocale();
 
   // Sets initial locale in local settings.
   static void SetInitialLocale(const std::string& locale);
 
   // Registers OOBE preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_STARTUP_UTILS_H_