NS_NewHTMLStyleSheet(nsIHTMLStyleSheet** aInstancePtrResult)
NS_NewHTMLStyleSheet(nsIHTMLStyleSheet** aInstancePtrResult, nsIURL* aURL, nsIDocument* aDocument)
NS_NewHTMLStyleSheet(nsIHTMLStyleSheet** aInstancePtrResult){  if (aInstancePtrResult == nsnull) {    return NS_ERROR_NULL_POINTER;  }  HTMLStyleSheetImpl  *it = new HTMLStyleSheetImpl();  if (nsnull == it) {    return NS_ERROR_OUT_OF_MEMORY;  }  NS_ADDREF(it);  *aInstancePtrResult = it;  return NS_OK;}