Use fetch_event_id (fetchEventID in blink) for FetchEvent

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 fade1fd8d81d4106cd3f2cdeded8095098a4dc2c..2ea93eed5204da645a472ddb8507c458de0f3bb2 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.h
+++ b/content/browser/service_worker/embedded_worker_test_helper.h
@@ -178,7 +178,7 @@ class EmbeddedWorkerTestHelper : public IPC::Sender,
   virtual void OnExtendableMessageEvent(int embedded_worker_id, int request_id);
   virtual void OnInstallEvent(int embedded_worker_id, int request_id);
   virtual void OnFetchEvent(int embedded_worker_id,
-                            int response_id,
+                            int fetch_event_id,
                             const ServiceWorkerFetchRequest& request,
                             const FetchCallback& callback);
   virtual void OnPushEvent(int embedded_worker_id,
@@ -218,7 +218,7 @@ class EmbeddedWorkerTestHelper : public IPC::Sender,
       const ServiceWorkerMsg_ExtendableMessageEvent_Params& params);
   void OnInstallEventStub(int request_id);
   void OnFetchEventStub(int thread_id,
-                        int response_id,
+                        int fetch_event_id,
                         const ServiceWorkerFetchRequest& request,
                         const FetchCallback& callback);
   void OnPushEventStub(int request_id, const PushEventPayload& payload);