ServiceWorker: Keep the worker alive until FetchEvent.waitUntil settles

content/browser/service_worker/service_worker_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <utility>
@@ skipping 637 matching lines @@
         base::Bind(&self::DispatchInstallEventOnIOThread, this, done, result),
         CreateReceiver(BrowserThread::UI, done, result));
   }
 
   void DispatchInstallEventOnIOThread(const base::Closure& done,
                                       ServiceWorkerStatusCode* result) {
     ASSERT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
     int request_id =
         version_->StartRequest(ServiceWorkerMetrics::EventType::INSTALL,
                                CreateReceiver(BrowserThread::UI, done, result));
-    version_->DispatchEvent<ServiceWorkerHostMsg_InstallEventFinished>(
-        request_id, ServiceWorkerMsg_InstallEvent(request_id),
-        base::Bind(&self::ReceiveInstallEventOnIOThread, this, done, result));
+    version_
+        ->RegisterRequestCallback<ServiceWorkerHostMsg_InstallEventFinished>(
+            request_id, base::Bind(&self::ReceiveInstallEventOnIOThread, this,
+                                   done, result));
+    version_->DispatchEvent({request_id},
+                            ServiceWorkerMsg_InstallEvent(request_id));
   }
 
   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);
     version_->set_has_fetch_handler(has_fetch_handler);
@@ skipping 1221 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerV8CacheStrategiesAggressiveTest);
 };
 
 IN_PROC_BROWSER_TEST_F(ServiceWorkerV8CacheStrategiesAggressiveTest,
                        V8CacheOnCacheStorage) {
   CheckStrategyIsAggressive();
 }
 
 }  // namespace content