*aReferrer = mReferrerURI; NS_IF_ADDREF(*aReferrer); return NS_OK;
return NS_NewURI(aReferrer, mReferrer, nsnull);
nsWebShell::GetReferrer(nsIURI **aReferrer){   *aReferrer = mReferrerURI;   NS_IF_ADDREF(*aReferrer);   return NS_OK;}