ExtendableEvent and InstallEvent should have an EventConstructor

Source/web/ServiceWorkerGlobalScopeProxy.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 61 matching lines @@
     ASSERT(m_workerGlobalScope);
     WaitUntilObserver* observer = WaitUntilObserver::create(m_workerGlobalScope, WaitUntilObserver::Install, eventID);
     RefPtrWillBeRawPtr<Event> event(InstallEvent::create(EventTypeNames::install, EventInit(), observer));
     m_workerGlobalScope->dispatchExtendableEvent(event.release(), observer);
 }
 
 void ServiceWorkerGlobalScopeProxy::dispatchActivateEvent(int eventID)
 {
     ASSERT(m_workerGlobalScope);
     WaitUntilObserver* observer = WaitUntilObserver::create(m_workerGlobalScope, WaitUntilObserver::Activate, eventID);
-    RefPtrWillBeRawPtr<Event> event(ExtendableEvent::create(EventTypeNames::activate, EventInit(), observer));
+    RefPtrWillBeRawPtr<Event> event(ExtendableEvent::create(EventTypeNames::activate, ExtendableEventInit(), observer));
     m_workerGlobalScope->dispatchExtendableEvent(event.release(), observer);
 }
 
 void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(int eventID, const WebServiceWorkerRequest& webRequest)
 {
     ASSERT(m_workerGlobalScope);
     RespondWithObserver* observer = RespondWithObserver::create(m_workerGlobalScope, eventID, webRequest.mode(), webRequest.frameType());
     if (!RuntimeEnabledFeatures::serviceWorkerOnFetchEnabled()) {
         observer->didDispatchEvent();
         return;
@@ skipping 85 matching lines @@
 
 ServiceWorkerGlobalScopeProxy::ServiceWorkerGlobalScopeProxy(WebEmbeddedWorkerImpl& embeddedWorker, Document& document, WebServiceWorkerContextClient& client)
     : m_embeddedWorker(embeddedWorker)
     , m_document(document)
     , m_client(client)
     , m_workerGlobalScope(0)
 {
 }
 
 } // namespace blink