NS_IMETHODIMP nsWebShell::LoadURI(nsIURI* aUri, nsIPresContext* presContext)
nsWebShell::LoadURI(nsIURI * aUri, const char * aCommand, nsIInputStream* aPostDataStream, PRBool aModifyHistory, nsLoadFlags aType, const PRUint32 aLocalIP, nsISupports * aHistoryState, const PRUnichar* aReferrer)
NS_IMETHODIMP nsWebShell::LoadURI(nsIURI* aUri,    nsIPresContext* presContext){   //NS_ENSURE_ARG(aUri);  // Done in LoadURIVia for us.   return LoadURIVia(aUri, presContext, 0);}