nsString& aResult) const
nsAWritableString& aResult) const
nsHTMLMenuElement::AttributeToString(nsIAtom* aAttribute,                                     const nsHTMLValue& aValue,                                     nsString& aResult) const{  if (aAttribute == nsHTMLAtoms::type) {    nsGenericHTMLElement::EnumValueToString(aValue, kListTypeTable, aResult);    return NS_CONTENT_ATTR_HAS_VALUE;  }  return mInner.AttributeToString(aAttribute, aValue, aResult);}