360     WaitableEvent* shutdown_event)  in SyncContext()  argument
363       shutdown_event_(shutdown_event),  in SyncContext()
541     base::WaitableEvent* shutdown_event) {  in Create()  argument
543       Create(listener, ipc_task_runner, listener_task_runner, shutdown_event);  in Create()
555     base::WaitableEvent* shutdown_event) {  in Create()  argument
557       Create(listener, ipc_task_runner, listener_task_runner, shutdown_event);  in Create()
567     WaitableEvent* shutdown_event) {  in Create()  argument
569       listener, ipc_task_runner, listener_task_runner, shutdown_event));  in Create()
576     WaitableEvent* shutdown_event)  in SyncChannel()  argument
580                                    shutdown_event)),  in SyncChannel()
596       sync_context()->shutdown_event());  in CreateSyncMessageFilter()