Implement ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload().

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 2f852939088c0ae4f6fc15753280a7599f56b06b..b38762366826de1af223b4853e5519e5065c28c1 100644
--- a/content/browser/service_worker/service_worker_url_request_job.cc
+++ b/content/browser/service_worker/service_worker_url_request_job.cc
@@ -209,6 +209,7 @@ ServiceWorkerURLRequestJob::ServiceWorkerURLRequestJob(
     RequestContextFrameType frame_type,
     scoped_refptr<ResourceRequestBodyImpl> body,
     ServiceWorkerFetchType fetch_type,
+    const URLLoaderFactoryCallback& url_loader_factory_callback,
     Delegate* delegate)
     : net::URLRequestJob(request, network_delegate),
       delegate_(delegate),
@@ -227,6 +228,7 @@ ServiceWorkerURLRequestJob::ServiceWorkerURLRequestJob(
       fall_back_required_(false),
       body_(body),
       fetch_type_(fetch_type),
+      url_loader_factory_callback_(url_loader_factory_callback),
       weak_factory_(this) {
   DCHECK(delegate_) << "ServiceWorkerURLRequestJob requires a delegate";
 }
@@ -893,7 +895,8 @@ void ServiceWorkerURLRequestJob::RequestBodyBlobsCompleted(bool success) {
       base::Bind(&ServiceWorkerURLRequestJob::DidDispatchFetchEvent,
                  weak_factory_.GetWeakPtr())));
   worker_start_time_ = base::TimeTicks::Now();
-  fetch_dispatcher_->MaybeStartNavigationPreload(request());
+  fetch_dispatcher_->MaybeStartNavigationPreload(request(),
+                                                 url_loader_factory_callback_);
   fetch_dispatcher_->Run();
 }