Service Worker: Detach the controller when falling back to network on failure

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 17afffd832b3ff2034d3603455bf7516d1fec3c4..bd1abd9236ae430afa3308a252a71eb847dec0ea 100644
--- a/content/browser/service_worker/service_worker_url_request_job.cc
+++ b/content/browser/service_worker/service_worker_url_request_job.cc
@@ -490,6 +490,9 @@ void ServiceWorkerURLRequestJob::DidDispatchFetchEvent(
   if (status != SERVICE_WORKER_OK) {
     // TODO(falken): Add UMA and the report error to the version.
     if (is_main_resource_load_) {
+      // Using the service worker failed, so fallback to network. Detach the
+      // controller so subresource requests also skip the worker.
+      provider_host_->NotifyControllerLost();
       response_type_ = FALLBACK_TO_NETWORK;
       NotifyRestartRequired();
     } else {