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

content/browser/service_worker/service_worker_url_request_job.cc

Index: content/browser/service_worker/service_worker_url_request_job.cc
diff --git a/content/browser/service_worker/service_worker_url_request_job.cc b/content/browser/service_worker/service_worker_url_request_job.cc
index ca0e6bd8a3f896cabb10a785d13422423f64bf6c..711fd967cada81b9531570ee17ec3d970dafd09b 100644
--- a/content/browser/service_worker/service_worker_url_request_job.cc
+++ b/content/browser/service_worker/service_worker_url_request_job.cc
@@ -254,6 +254,7 @@ ServiceWorkerURLRequestJob::ServiceWorkerURLRequestJob(
       body_(body),
       fetch_type_(fetch_type),
       timeout_(timeout),
+      job_creation_time_(base::TimeTicks::Now()),
       weak_factory_(this) {
   DCHECK(delegate_) << "ServiceWorkerURLRequestJob requires a delegate";
 }
@@ -887,6 +888,10 @@ void ServiceWorkerURLRequestJob::RequestBodyFileSizesResolved(bool success) {
       request(),
       base::BindOnce(&ServiceWorkerURLRequestJob::OnNavigationPreloadResponse,
                      weak_factory_.GetWeakPtr()));
+  fetch_dispatcher_->set_renderer_request_time(renderer_request_time_);
+  fetch_dispatcher_->set_handler_creation_time(handler_creation_time_);
+  fetch_dispatcher_->set_job_creation_time(job_creation_time_);
+  fetch_dispatcher_->set_worker_start_time(worker_start_time_);
   fetch_dispatcher_->Run();
 }