[ServiceWorker] Remove useless ServiceWorkerVersion::DispatchSimpleEvent().

content/browser/service_worker/service_worker_version.cc

 // Copyright 2013 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 "content/browser/service_worker/service_worker_version.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <map>
@@ skipping 1086 matching lines @@
   return NavigationPreloadSupportStatus::NOT_SUPPORTED_FIELD_TRIAL_STOPPED;
 }
 
 void ServiceWorkerVersion::CountFeature(uint32_t feature) {
   if (!used_features_.insert(feature).second)
     return;
   for (auto provider_host_by_uuid : controllee_map_)
     provider_host_by_uuid.second->CountFeature(feature);
 }
 
-void ServiceWorkerVersion::OnSimpleEventResponse(
-    int request_id,
-    blink::WebServiceWorkerEventResult result,
-    base::Time dispatch_event_time) {
-  ServiceWorkerStatusCode status = SERVICE_WORKER_OK;
-  if (result == blink::WebServiceWorkerEventResultRejected)
-    status = SERVICE_WORKER_ERROR_EVENT_WAITUNTIL_REJECTED;
-  OnSimpleEventFinished(request_id, status, dispatch_event_time);
-}
-
 void ServiceWorkerVersion::OnOpenWindow(int request_id, GURL url) {
   // Just abort if we are shutting down.
   if (!context_)
     return;
 
   if (!url.is_valid()) {
     DVLOG(1) << "Received unexpected invalid URL from renderer process.";
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                             base::Bind(&KillEmbeddedWorkerProcess,
                                        embedded_worker_->process_id(),
@@ skipping 760 matching lines @@
 
 void ServiceWorkerVersion::CleanUpExternalRequest(
     const std::string& request_uuid,
     ServiceWorkerStatusCode status) {
   if (status == SERVICE_WORKER_OK)
     return;
   external_request_uuid_to_request_id_.erase(request_uuid);
 }
 
 }  // namespace content