Refactor preference syncing.

chrome/browser/sync/profile_sync_service.h

 // Copyright (c) 2011 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_SYNC_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 27 matching lines @@
 class NotificationSource;
 class Profile;
 class ProfileSyncFactory;
 class SigninManager;
 
 namespace browser_sync {
 class BackendMigrator;
 class ChangeProcessor;
 class DataTypeManager;
 class JsFrontend;
+class NewAssociatorInterface;
 class SessionModelAssociator;
 namespace sessions { struct SyncSessionSnapshot; }
 }
 
 namespace sync_api {
 class BaseTransaction;
 struct SyncCredentials;
 struct UserShare;
 }
 
@@ skipping 316 matching lines @@
   void SetAutofillMigrationState(
       syncable::AutofillMigrationState state);
 
   syncable::AutofillMigrationDebugInfo
       GetAutofillMigrationDebugInfo();
 
   void SetAutofillMigrationDebugInfo(
       syncable::AutofillMigrationDebugInfo::PropertyToSet property_to_set,
       const syncable::AutofillMigrationDebugInfo& info);
 
+  // Register a model associator with the profile sync service. This will
+  // link the associator to the datatype controller corresponding to
+  // associator's type. If the datatype controller does not exist, the request
+  // is dropped silently.
+  virtual void RegisterModelAssociator(
+      browser_sync::NewAssociatorInterface* associator);
+
   virtual void ActivateDataType(
       browser_sync::DataTypeController* data_type_controller,
       browser_sync::ChangeProcessor* change_processor);
   virtual void DeactivateDataType(
       browser_sync::DataTypeController* data_type_controller,
       browser_sync::ChangeProcessor* change_processor);
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
@@ skipping 244 matching lines @@
   // The set of encrypted types. This is updated whenever datatypes are
   // encrypted through the OnEncryptionComplete callback of SyncFrontend.
   syncable::ModelTypeSet encrypted_types_;
 
   scoped_ptr<browser_sync::BackendMigrator> migrator_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncService);
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_