return NS_OK;
nsCOMPtr<nsIDOMNode> row; rv = rows->Item(aValue, getter_AddRefs(row)); NS_ENSURE_SUCCESS(rv, rv);  if (!row) { return NS_ERROR_DOM_INDEX_SIZE_ERR; }  nsCOMPtr<nsIDOMNode> retChild; return RemoveChild(row, getter_AddRefs(retChild));
nsHTMLTableSectionElement::DeleteRow(PRInt32 aValue){  nsCOMPtr<nsIDOMHTMLCollection> rows;  GetRows(getter_AddRefs(rows));  nsCOMPtr<nsIDOMNode> row;  rows->Item(aValue, getter_AddRefs(row));  if (row) {    nsCOMPtr<nsIDOMNode> retChild;    RemoveChild(row, getter_AddRefs(retChild));  }  return NS_OK;}