Removed unused variable. NS_PAGE_LOAD is nsEvent, not nsMouseEvent. r=harishd.

content/xml/document/src/nsXMLDocument.cpp

@@ -681,9 +681,8 @@ nsXMLDocument::EndLoad()
   if (cmd.EqualsWithConversion(kLoadAsData)) {
     // Generate a document load event for the case when an XML document was loaded
     // as pure data without any presentation attached to it.
-    nsCOMPtr<nsIScriptGlobalObject> scriptGlobal;
     nsEventStatus status = nsEventStatus_eIgnore;
-    nsMouseEvent event;
+    nsEvent event;
     event.eventStructType = NS_EVENT;
     event.message = NS_PAGE_LOAD;
     HandleDOMEvent(nsnull, &event, nsnull, NS_EVENT_FLAG_INIT, &status);