Shows error messages in the inspector when .respondWith() is called with wrong responses.

Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index 95001ffd7e9203328c1e4b23fdf12637458e40a8..c29caad82acc36d506a478723f16b32e065f278c 100644
--- a/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -97,7 +97,7 @@ void ServiceWorkerGlobalScopeProxy::dispatchActivateEvent(int eventID)
 void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(int eventID, const WebServiceWorkerRequest& webRequest)
 {
     ASSERT(m_workerGlobalScope);
-    RespondWithObserver* observer = RespondWithObserver::create(m_workerGlobalScope, eventID, webRequest.mode(), webRequest.frameType());
+    RespondWithObserver* observer = RespondWithObserver::create(m_workerGlobalScope, eventID, webRequest.url(), webRequest.mode(), webRequest.frameType());
     bool defaultPrevented = false;
     Request* request = Request::create(m_workerGlobalScope, webRequest);
     request->headers()->setGuard(Headers::ImmutableGuard);