Switch from SignedSettings to DeviceSettingsService.

chrome/browser/chromeos/settings/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_SETTINGS_SIGNED_SETTINGS_MIGRATION_HELPER_H_
-#define CHROME_BROWSER_CHROMEOS_SETTINGS_SIGNED_SETTINGS_MIGRATION_HELPER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/chromeos/settings/ownership_service.h"
-#include "chrome/browser/chromeos/settings/signed_settings_helper.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 {
- 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,
-                       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_SETTINGS_SIGNED_SETTINGS_MIGRATION_HELPER_H_