Show service worker navigation preload requests in DevTools Network tab

content/browser/service_worker/service_worker_fetch_dispatcher.cc

Index: content/browser/service_worker/service_worker_fetch_dispatcher.cc
diff --git a/content/browser/service_worker/service_worker_fetch_dispatcher.cc b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
index 8f69301810bc039cbfb96dc4dd8dee7f768ee3fc..c6b8e998511aaca5cc783fb45fde2017e6f54d57 100644
--- a/content/browser/service_worker/service_worker_fetch_dispatcher.cc
+++ b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
@@ -430,6 +430,8 @@ bool ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload(
   request.render_frame_id = original_info->GetRenderFrameID();
   request.is_main_frame = original_info->IsMainFrame();
   request.parent_is_main_frame = original_info->ParentIsMainFrame();
+  request.enable_load_timing = original_info->is_load_timing_enabled();
+  request.report_raw_headers = original_info->ShouldReportRawHeaders();
 
   DCHECK(net::HttpUtil::IsValidHeaderValue(
       version_->navigation_preload_state().header));
@@ -452,6 +454,9 @@ bool ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload(
                           url_loader_factory_.associated_group());
   mojom::URLLoaderAssociatedPtr url_loader_associated_ptr;
 
+  preload_handle_->sent_timestamp = base::TimeTicks::Now();
+  preload_handle_->sent_wall_time = base::Time::Now();
+
   url_loader_factory_->CreateLoaderAndStart(
       mojo::MakeRequest(&url_loader_associated_ptr,
                         url_loader_factory_.associated_group()),