ServiceWorker: Keep the worker alive until FetchEvent.waitUntil settles

content/browser/service_worker/embedded_worker_test_helper.cc

Index: content/browser/service_worker/embedded_worker_test_helper.cc
diff --git a/content/browser/service_worker/embedded_worker_test_helper.cc b/content/browser/service_worker/embedded_worker_test_helper.cc
index 6e22d4c4eca93228cd85e9686107d6cf24707e93..cdf17ac913fd9dbf9af1549e164cdc8132203249 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.cc
+++ b/content/browser/service_worker/embedded_worker_test_helper.cc
@@ -232,10 +232,11 @@ void EmbeddedWorkerTestHelper::OnInstallEvent(int embedded_worker_id,
 
 void EmbeddedWorkerTestHelper::OnFetchEvent(
     int embedded_worker_id,
-    int request_id,
+    int response_id,
+    int event_finish_id,
     const ServiceWorkerFetchRequest& request) {
-  SimulateSend(new ServiceWorkerHostMsg_FetchEventFinished(
-      embedded_worker_id, request_id,
+  SimulateSend(new ServiceWorkerHostMsg_FetchEventResponse(
+      embedded_worker_id, response_id,
       SERVICE_WORKER_FETCH_EVENT_RESULT_RESPONSE,
       ServiceWorkerResponse(
           GURL(), 200, "OK", blink::WebServiceWorkerResponseTypeDefault,
@@ -244,6 +245,9 @@ void EmbeddedWorkerTestHelper::OnFetchEvent(
           false /* is_in_cache_storage */,
           std::string() /* cache_storage_cache_name */,
           ServiceWorkerHeaderList() /* cors_exposed_header_names */)));
+  SimulateSend(new ServiceWorkerHostMsg_FetchEventFinished(
+      embedded_worker_id, event_finish_id,
+      blink::WebServiceWorkerEventResultCompleted));
 }
 
 void EmbeddedWorkerTestHelper::OnPushEvent(int embedded_worker_id,
@@ -401,15 +405,14 @@ void EmbeddedWorkerTestHelper::OnInstallEventStub(int request_id) {
 }
 
 void EmbeddedWorkerTestHelper::OnFetchEventStub(
-    int request_id,
+    int response_id,
+    int event_finish_id,
     const ServiceWorkerFetchRequest& request) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(&EmbeddedWorkerTestHelper::OnFetchEvent,
-                 weak_factory_.GetWeakPtr(),
-                 current_embedded_worker_id_,
-                 request_id,
-                 request));
+                 weak_factory_.GetWeakPtr(), current_embedded_worker_id_,
+                 response_id, event_finish_id, request));
 }
 
 void EmbeddedWorkerTestHelper::OnPushEventStub(