[Background Sync] Use Mojo IPC to fire background sync events

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 d4c1e04c21a1ae2aee17519805bbe397d26dc65f..5856822cca3e374466b7358e608690538871c9ca 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.cc
+++ b/content/browser/service_worker/embedded_worker_test_helper.cc
@@ -151,7 +151,6 @@ bool EmbeddedWorkerTestHelper::OnMessageToWorker(
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_InstallEvent, OnInstallEventStub)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_FetchEvent, OnFetchEventStub)
     IPC_MESSAGE_HANDLER(ServiceWorkerMsg_PushEvent, OnPushEventStub)
-    IPC_MESSAGE_HANDLER(ServiceWorkerMsg_SyncEvent, OnSyncEventStub)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   // Record all messages directed to inner script context.
@@ -204,13 +203,6 @@ void EmbeddedWorkerTestHelper::OnPushEvent(int embedded_worker_id,
       blink::WebServiceWorkerEventResultCompleted));
 }
 
-void EmbeddedWorkerTestHelper::OnSyncEvent(int embedded_worker_id,
-                                           int request_id) {
-  SimulateSend(new ServiceWorkerHostMsg_SyncEventFinished(
-      embedded_worker_id, request_id,
-      blink::WebServiceWorkerEventResultCompleted));
-}
-
 void EmbeddedWorkerTestHelper::SimulatePausedAfterDownload(
       int embedded_worker_id) {
   EmbeddedWorkerInstance* worker = registry()->GetWorker(embedded_worker_id);
@@ -373,13 +365,6 @@ void EmbeddedWorkerTestHelper::OnPushEventStub(int request_id,
                             current_embedded_worker_id_, request_id, data));
 }
 
-void EmbeddedWorkerTestHelper::OnSyncEventStub(int request_id) {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&EmbeddedWorkerTestHelper::OnSyncEvent,
-                            weak_factory_.GetWeakPtr(),
-                            current_embedded_worker_id_, request_id));
-}
-
 EmbeddedWorkerRegistry* EmbeddedWorkerTestHelper::registry() {
   DCHECK(context());
   return context()->embedded_worker_registry();