[Not for review] record detailed time breakdown of SW related requests.

content/common/service_worker/service_worker_messages.h

Index: content/common/service_worker/service_worker_messages.h
diff --git a/content/common/service_worker/service_worker_messages.h b/content/common/service_worker/service_worker_messages.h
index 603bc027636f75432c72faf4ce727e1a37558f54..d8c76b6d2e990ca51ebc0a28afc89fae54e0f74e 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -286,11 +286,12 @@ IPC_MESSAGE_ROUTED3(ServiceWorkerHostMsg_ActivateEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult,
                     base::Time /* dispatch_event_time */)
-IPC_MESSAGE_ROUTED4(ServiceWorkerHostMsg_FetchEventResponse,
+IPC_MESSAGE_ROUTED5(ServiceWorkerHostMsg_FetchEventResponse,
                     int /* fetch_event_id */,
                     content::ServiceWorkerFetchEventResult,
                     content::ServiceWorkerResponse,
-                    base::Time /* dispatch_event_time */)
+                    base::Time /* dispatch_event_time */,
+                    base::TimeTicks /* response_time */)
 IPC_MESSAGE_ROUTED3(ServiceWorkerHostMsg_NotificationClickEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult,