Refactor preference syncing.

chrome/browser/sync/glue/app_data_type_controller.cc

Index: chrome/browser/sync/glue/app_data_type_controller.cc
diff --git a/chrome/browser/sync/glue/app_data_type_controller.cc b/chrome/browser/sync/glue/app_data_type_controller.cc
index cf025f68ba41f12bc031285d35d607591b8575d1..5be7863261204f406b06bfa3c4fcd13a859a39af 100644
--- a/chrome/browser/sync/glue/app_data_type_controller.cc
+++ b/chrome/browser/sync/glue/app_data_type_controller.cc
@@ -35,9 +35,8 @@ void AppDataTypeController::CreateSyncComponents() {
   ProfileSyncFactory::SyncComponents sync_components =
       profile_sync_factory_->CreateAppSyncComponents(sync_service_,
                                                      this);
-  model_associator_.reset(sync_components.model_associator);
-  change_processor_.reset(sync_components.change_processor);
-}
+  set_model_associator(sync_components.model_associator);
+  set_change_processor(sync_components.change_processor);}
 
 void AppDataTypeController::RecordUnrecoverableError(
     const tracked_objects::Location& from_here,