Change configuration of user prefs to use mojo.

components/sync_preferences/pref_service_syncable_factory.cc

 // Copyright 2013 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 "components/sync_preferences/pref_service_syncable_factory.h"
 
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/default_pref_store.h"
 #include "components/prefs/pref_notifier_impl.h"
 #include "components/prefs/pref_value_store.h"
 #include "components/sync_preferences/pref_service_syncable.h"
+#include "services/preferences/public/cpp/persistent_pref_store_mojo.h"
 
 #if !defined(OS_IOS)
 #include "components/policy/core/browser/browser_policy_connector.h"
 #include "components/policy/core/browser/configuration_policy_pref_store.h"
 #include "components/policy/core/common/policy_service.h"  // nogncheck
 #include "components/policy/core/common/policy_types.h"    // nogncheck
 #endif
 
 namespace sync_preferences {
 
@@ skipping 22 matching lines @@
   NOTREACHED();
 #endif
 }
 
 void PrefServiceSyncableFactory::SetPrefModelAssociatorClient(
     PrefModelAssociatorClient* pref_model_associator_client) {
   pref_model_associator_client_ = pref_model_associator_client;
 }
 
 std::unique_ptr<PrefServiceSyncable> PrefServiceSyncableFactory::CreateSyncable(
-    user_prefs::PrefRegistrySyncable* pref_registry) {
+    user_prefs::PrefRegistrySyncable* pref_registry,
+    prefs::mojom::PersistentPrefStoreConnectorPtr connector) {
   TRACE_EVENT0("browser", "PrefServiceSyncableFactory::CreateSyncable");
+  DCHECK(!connector || !user_prefs_);
+  if (connector)
+    user_prefs_ = new prefs::PersistentPrefStoreMojo(std::move(connector));
   PrefNotifierImpl* pref_notifier = new PrefNotifierImpl();
   std::unique_ptr<PrefServiceSyncable> pref_service(new PrefServiceSyncable(
       pref_notifier,
       new PrefValueStore(managed_prefs_.get(), supervised_user_prefs_.get(),
                          extension_prefs_.get(), command_line_prefs_.get(),
                          user_prefs_.get(), recommended_prefs_.get(),
                          pref_registry->defaults().get(), pref_notifier),
       user_prefs_.get(), pref_registry, pref_model_associator_client_,
       read_error_callback_, async_));
   return pref_service;
 }
 
 }  // namespace sync_preferences