PRInt32& aHint) const
nsChangeHint& aHint) const
nsHTMLDListElement::GetMappedAttributeImpact(const nsIAtom* aAttribute, PRInt32 aModType,                                             PRInt32& aHint) const{  if (aAttribute == nsHTMLAtoms::compact) {    aHint = NS_STYLE_HINT_CONTENT; // handled by ua.css?  }  else if (!GetCommonMappedAttributesImpact(aAttribute, aHint)) {    aHint = NS_STYLE_HINT_CONTENT;  }  return NS_OK;}