Revert of [ServiceWorker] Mojofy ActivateEvent of Service Worker

content/browser/service_worker/service_worker_browsertest.cc

Index: content/browser/service_worker/service_worker_browsertest.cc
diff --git a/content/browser/service_worker/service_worker_browsertest.cc b/content/browser/service_worker/service_worker_browsertest.cc
index 3460d4e7dd97f311d93d3c610c31947236fccc36..0fe04b43334a8a6daaccf5a0c77e196524d10aa6 100644
--- a/content/browser/service_worker/service_worker_browsertest.cc
+++ b/content/browser/service_worker/service_worker_browsertest.cc
@@ -788,8 +788,8 @@
     int request_id =
         version_->StartRequest(ServiceWorkerMetrics::EventType::INSTALL,
                                CreateReceiver(BrowserThread::UI, done, result));
-    version_->event_dispatcher()->DispatchActivateEvent(
-        version_->CreateSimpleEventCallback(request_id));
+    version_->DispatchSimpleEvent<ServiceWorkerHostMsg_ActivateEventFinished>(
+        request_id, ServiceWorkerMsg_ActivateEvent(request_id));
   }
 
   void FetchOnIOThread(const base::Closure& done,