Switch from SignedSettings to DeviceSettingsService.

chrome/browser/chromeos/settings/device_settings_migration_helper.cc

+// 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.
+
+#include "chrome/browser/chromeos/settings/device_settings_migration_helper.h"
+
+#include "base/bind.h"
+#include "base/values.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
+
+namespace chromeos {
+
+DeviceSettingsMigrationHelper::DeviceSettingsMigrationHelper()
+    : ALLOW_THIS_IN_INITIALIZER_LIST(ptr_factory_(this)) {
+}
+
+DeviceSettingsMigrationHelper::~DeviceSettingsMigrationHelper() {
+  migration_values_.Clear();
+}
+
+void DeviceSettingsMigrationHelper::AddMigrationValue(const std::string& path,
+                                                      base::Value* value) {
+  migration_values_.SetValue(path, value);
+}
+
+void DeviceSettingsMigrationHelper::MigrateValues(void) {
+  ptr_factory_.InvalidateWeakPtrs();
+  DeviceSettingsService::Get()->GetOwnershipStatusAsync(
+      base::Bind(&DeviceSettingsMigrationHelper::DoMigrateValues,
+                 ptr_factory_.GetWeakPtr()));
+}
+
+void DeviceSettingsMigrationHelper::DoMigrateValues(
+    DeviceSettingsService::OwnershipStatus status,
+    bool current_user_is_owner) {
+  // We can call CrosSettings::Set in two cases - either if the owner is
+  // currently logged in and the policy can be updated immediately or if there
+  // is no owner yet in which case the value will be temporarily stored in the
+  // cache until the device is owned. If none of these cases is met then we will
+  // wait for the next opportunity.
+  if (current_user_is_owner ||
+      status != DeviceSettingsService::OWNERSHIP_TAKEN) {
+    std::map<std::string, base::Value*>::const_iterator i;
+    for (i = migration_values_.begin(); i != migration_values_.end(); ++i) {
+      // Queue all values for storing.
+      CrosSettings::Get()->Set(i->first, *i->second);
+    }
+    migration_values_.Clear();
+  }
+}
+
+}  // namespace chromeos