[Sync] Make generic non-frontend thread datatype controller.

chrome/browser/sync/profile_sync_factory.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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_FACTORY_H__
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_FACTORY_H__
 #pragma once
 
 #include <string>
 #include <utility>
 
@@ skipping 28 matching lines @@
   struct SyncComponents {
     browser_sync::AssociatorInterface* model_associator;
     browser_sync::ChangeProcessor* change_processor;
     SyncComponents(browser_sync::AssociatorInterface* ma,
                    browser_sync::ChangeProcessor* cp)
         : model_associator(ma), change_processor(cp) {}
   };
 
   virtual ~ProfileSyncFactory() {}
 
-  // Instantiates and initializes a new ProfileSyncService.  Enabled
-  // data types are registered with the service.  The return pointer
-  // is owned by the caller.
+  // Instantiates a new ProfileSyncService. The return pointer is owned by the
+  // caller.
   virtual ProfileSyncService* CreateProfileSyncService(
       const std::string& cros_user) = 0;
 
+  // Creates and registers enabled datatypes with the provided
+  // ProfileSyncService.
+  virtual void RegisterDataTypes(ProfileSyncService* pss) = 0;
+
   // Instantiates a new DataTypeManager with a SyncBackendHost and a
   // list of data type controllers.  The return pointer is owned by
   // the caller.
   virtual browser_sync::DataTypeManager* CreateDataTypeManager(
       browser_sync::SyncBackendHost* backend,
       const browser_sync::DataTypeController::TypeMap& controllers) = 0;
 
   // Instantiates both a model associator and change processor for the
   // app data type.  The pointers in the return struct are
   // owned by the caller.
@@ skipping 65 matching lines @@
 
   // Instantiates both a model associator and change processor for the
   // session data type.  The pointers in the return struct are
   // owned by the caller.
   virtual SyncComponents CreateSessionSyncComponents(
       ProfileSyncService* profile_sync_service,
       browser_sync::UnrecoverableErrorHandler* error_handler) = 0;
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_FACTORY_H__