Implement ServiceWorkerVersion::SendMessage() (for dispatching events etc)

content/browser/service_worker/service_worker_test_utils.h

Index: content/browser/service_worker/service_worker_test_utils.h
diff --git a/content/browser/service_worker/service_worker_test_utils.h b/content/browser/service_worker/service_worker_test_utils.h
index 177bfdb2ffec05db5ff0b78733841bd8a5caf8a4..fb64f8f8c10a67f478858f3625d2c9c93e935268 100644
--- a/content/browser/service_worker/service_worker_test_utils.h
+++ b/content/browser/service_worker/service_worker_test_utils.h
@@ -26,6 +26,13 @@ CreateReceiver(BrowserThread::ID run_quit_thread,
   return base::Bind(&ReceiveResult<Arg>, run_quit_thread, quit, out);
 }
 
+template <typename Arg> base::Callback<void(Arg)>
+CreateReceiverOnCurrentThread(Arg* out) {
+  BrowserThread::ID id;
+  BrowserThread::GetCurrentThreadIdentifier(&id);
+  return base::Bind(&ReceiveResult<Arg>, id, base::Closure(), out);
+}
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_TEST_UTILS_H_