Switch from SignedSettings to DeviceSettingsService.

chrome/browser/chromeos/signed_settings_migration_helper.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_SIGNED_SETTINGS_MIGRATION_HELPER_H_
 #define CHROME_BROWSER_CHROMEOS_SIGNED_SETTINGS_MIGRATION_HELPER_H_
 
 #include "base/memory/weak_ptr.h"
-#include "chrome/browser/chromeos/login/ownership_service.h"
-#include "chrome/browser/chromeos/login/signed_settings_helper.h"
+#include "chrome/browser/chromeos/login/device_settings_service.h"
 #include "chrome/browser/prefs/pref_value_map.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
 
 namespace base {
 class Value;
 }
 
 namespace chromeos {
 
 // This class provides the means to migrate settings to the signed settings
 // store. It does one of three things - store the settings in the policy blob
-// immediately if the current user is the owner. Uses the
-// SignedSettingsCache if there is no owner yet, or waits for an
-// OWNERSHIP_CHECKED notification to delay the storing until the owner has
-// logged in.
-class SignedSettingsMigrationHelper : public content::NotificationObserver {
+// immediately if the current user is the owner. Uses the SignedSettingsCache if
+// there is no owner yet, or waits for an call from DeviceSettingsProvider to
+// delay the storing until the owner has logged in.
+class SignedSettingsMigrationHelper {
  public:
   SignedSettingsMigrationHelper();
   virtual ~SignedSettingsMigrationHelper();
 
   // Adds a value to be migrated. The class takes ownership of the |value|.
   void AddMigrationValue(const std::string& path, base::Value* value);
 
   // Initiates values migration. If the device is already owned this will
   // happen immediately if not it will wait for ownership login and finish the
   // migration then.
   void MigrateValues(void);
 
-  // NotificationObserver overrides:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
  private:
   // Does the actual migration when ownership has been confirmed.
-  void DoMigrateValues(OwnershipService::Status status,
+  void DoMigrateValues(DeviceSettingsService::OwnershipStatus status,
                        bool current_user_is_owner);
 
-  content::NotificationRegistrar registrar_;
   base::WeakPtrFactory<SignedSettingsMigrationHelper> ptr_factory_;
   PrefValueMap migration_values_;
 
   DISALLOW_COPY_AND_ASSIGN(SignedSettingsMigrationHelper);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SIGNED_SETTINGS_MIGRATION_HELPER_H_