Revert of [ServiceWorker] Mojofy PushEvent of Service Worker.

content/browser/service_worker/embedded_worker_test_helper.h

Index: content/browser/service_worker/embedded_worker_test_helper.h
diff --git a/content/browser/service_worker/embedded_worker_test_helper.h b/content/browser/service_worker/embedded_worker_test_helper.h
index 226a0cfbe27fa70659e76ffd6d59f702fd8260af..3d58bbad571a0fecef5e53fe311644debfe985cf 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.h
+++ b/content/browser/service_worker/embedded_worker_test_helper.h
@@ -193,10 +193,9 @@
                             const ServiceWorkerFetchRequest& request,
                             mojom::FetchEventPreloadHandlePtr preload_handle,
                             const FetchCallback& callback);
-  virtual void OnPushEvent(
-      const PushEventPayload& payload,
-      const mojom::ServiceWorkerEventDispatcher::DispatchPushEventCallback&
-          callback);
+  virtual void OnPushEvent(int embedded_worker_id,
+                           int request_id,
+                           const PushEventPayload& payload);
 
   // These functions simulate sending an EmbeddedHostMsg message to the
   // browser.
@@ -236,10 +235,7 @@
                         const ServiceWorkerFetchRequest& request,
                         mojom::FetchEventPreloadHandlePtr preload_handle,
                         const FetchCallback& callback);
-  void OnPushEventStub(
-      const PushEventPayload& payload,
-      const mojom::ServiceWorkerEventDispatcher::DispatchPushEventCallback&
-          callback);
+  void OnPushEventStub(int request_id, const PushEventPayload& payload);
 
   MessagePortMessageFilter* NewMessagePortMessageFilter();