mash: switch to the new pref service

services/preferences/public/interfaces/preferences.mojom

 // Copyright 2016 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.
 
 module prefs.mojom;
 
 import "mojo/common/values.mojom";
 import "services/preferences/public/interfaces/preferences_configuration.mojom";
 
 const string kServiceName = "preferences";
@@ skipping 12 matching lines @@
 };
 
 // Manages actual read/write of preference data. Accepts observers who subscribe
 // to preferences, notifying them of changes.
 interface PreferencesService {
   SetPreferences(mojo.common.mojom.DictionaryValue preferences);
   Subscribe(array<string> preferences);
 };
 
 const string kPrefStoreServiceName = "preferences2";
+const string kForwarderServiceName = "preferences_forwarder";
 
 // The know pref store types.
 //
 // Should be kept in sync with PrefValueStore::PrefStoreType.
 enum PrefStoreType {
   MANAGED,
   SUPERVISED_USER,
   EXTENSION,
   COMMAND_LINE,
   USER,
@@ skipping 98 matching lines @@
   // PrefRegistry::PrefRegistrationFlags and
   // PrefRegistrySyncable::PrefRegistrationFlags.
   uint32 flags;
 };
 
 interface PrefServiceControl {
   // Initializes the pref service. This must be called before the service can
   // be used.
   Init(PersistentPrefStoreConfiguration configuration);
 };