ServiceWorker: Store the existence of fetch event handler

content/browser/service_worker/service_worker_browsertest.cc

Index: content/browser/service_worker/service_worker_browsertest.cc
diff --git a/content/browser/service_worker/service_worker_browsertest.cc b/content/browser/service_worker/service_worker_browsertest.cc
index 5e917c3a683c1592666cc35af15670433c42489c..1392a2c37840082710af57713047f577df3e9288 100644
--- a/content/browser/service_worker/service_worker_browsertest.cc
+++ b/content/browser/service_worker/service_worker_browsertest.cc
@@ -651,8 +651,26 @@ class ServiceWorkerVersionBrowserTest : public ServiceWorkerBrowserTest {
     int request_id =
         version_->StartRequest(ServiceWorkerMetrics::EventType::INSTALL,
                                CreateReceiver(BrowserThread::UI, done, result));
-    version_->DispatchSimpleEvent<ServiceWorkerHostMsg_InstallEventFinished>(
-        request_id, ServiceWorkerMsg_InstallEvent(request_id));
+    version_->DispatchEvent<ServiceWorkerHostMsg_InstallEventFinished>(
+        request_id, ServiceWorkerMsg_InstallEvent(request_id),
+        base::Bind(&self::ReceiveInstallEventOnIOThread, this, done, result));
+  }
+
+  void ReceiveInstallEventOnIOThread(const base::Closure& done,
+                                     ServiceWorkerStatusCode* out_result,
+                                     int request_id,
+                                     blink::WebServiceWorkerEventResult result,
+                                     bool has_fetch_handler) {
+    version_->FinishRequest(
+        request_id, result == blink::WebServiceWorkerEventResultCompleted);
+
+    ServiceWorkerStatusCode status = SERVICE_WORKER_OK;
+    if (result == blink::WebServiceWorkerEventResultRejected)
+      status = SERVICE_WORKER_ERROR_EVENT_WAITUNTIL_REJECTED;
+
+    *out_result = status;
+    if (!done.is_null())
+      BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, done);
   }
 
   void StoreOnIOThread(const base::Closure& done,