Introducing FetchEventInit Dictionary.

Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index fb6044a0ddf2b5a8f8fd18548974489f6ab04c8a..233c8a81c0d7d93578524b0f68163489b2308db1 100644
--- a/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -101,8 +101,10 @@ void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(int eventID, const WebSer
 
     Request* request = Request::create(m_workerGlobalScope, webRequest);
     request->headers()->setGuard(Headers::ImmutableGuard);
-    RefPtrWillBeRawPtr<FetchEvent> fetchEvent(FetchEvent::create(observer, request));
-    fetchEvent->setIsReload(webRequest.isReload());
+    FetchEventInit eventInit;
+    eventInit.setRequest(request);
+    eventInit.setIsReload(webRequest.isReload());
+    RefPtrWillBeRawPtr<FetchEvent> fetchEvent(FetchEvent::create(EventTypeNames::fetch, eventInit, observer));
     defaultPrevented = !m_workerGlobalScope->dispatchEvent(fetchEvent.release());
     observer->didDispatchEvent(defaultPrevented);
 }