Test that NotificationEvent.action is set correctly

Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index b09b3425e1431ead87fb6f1479d471f11954ddcc..cb2a4d1e50ddcd1ce23859b926b891e463f198ad 100644
--- a/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -133,11 +133,6 @@ void ServiceWorkerGlobalScopeProxy::dispatchMessageEvent(const WebString& messag
     m_workerGlobalScope->dispatchEvent(MessageEvent::create(ports, value));
 }
 
-void ServiceWorkerGlobalScopeProxy::dispatchNotificationClickEvent(int eventID, int64_t notificationID, const WebNotificationData& data)
-{
-    dispatchNotificationClickEvent(eventID, notificationID, data, -1 /* actionIndex */);
-}
-
 void ServiceWorkerGlobalScopeProxy::dispatchNotificationClickEvent(int eventID, int64_t notificationID, const WebNotificationData& data, int actionIndex)
 {
     ASSERT(m_workerGlobalScope);