[Sync] Fixing sync_driver lint violations and adding PRESUBMIT lint check.

components/sync_driver/ui_data_type_controller.h

Index: components/sync_driver/ui_data_type_controller.h
diff --git a/components/sync_driver/ui_data_type_controller.h b/components/sync_driver/ui_data_type_controller.h
index f935f540e834e14cd88b22f645688504b9f3c8e3..55641a67e7348b8039d9997c112a57ac816c19f6 100644
--- a/components/sync_driver/ui_data_type_controller.h
+++ b/components/sync_driver/ui_data_type_controller.h
@@ -124,8 +124,9 @@ class UIDataTypeController : public DirectoryDataTypeController {
   base::WeakPtr<syncer::SyncableService> local_service_;
 
   scoped_refptr<base::SingleThreadTaskRunner> ui_thread_;
+
  private:
-   // Associate the sync model with the service's model, then start syncing.
+  // Associate the sync model with the service's model, then start syncing.
   virtual void Associate();
 
   virtual void AbortModelLoad();