PRInt32& aHint) const
nsChangeHint& aHint) const
nsHTMLFrameSetElement::GetMappedAttributeImpact(const nsIAtom* aAttribute, PRInt32 aModType,                                                PRInt32& aHint) const{  if ((aAttribute == nsHTMLAtoms::rows) ||      (aAttribute == nsHTMLAtoms::cols)) {    aHint = mCurrentRowColHint;  }  else if (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {    aHint = NS_STYLE_HINT_CONTENT;  }  return NS_OK;}