*aURL = mURL.GetUnicode(); return NS_OK;
nsresult rv = NS_ERROR_ILLEGAL_VALUE; if ((aHistoryIndex >= 0) && (aHistoryIndex <= mHistory.Count() - 1)) { nsString* s = (nsString*) mHistory.ElementAt(aHistoryIndex); if (nsnull != s) { *aURLResult = s->GetUnicode(); } rv = NS_OK; } return rv;
nsWebShell::GetURL(const PRUnichar** aURL){  *aURL = mURL.GetUnicode();  return NS_OK;}