PRInt32& aHint) const
nsChangeHint& aHint) const
nsHTMLPreElement::GetMappedAttributeImpact(const nsIAtom* aAttribute, PRInt32 aModType,                                           PRInt32& aHint) const{  if ((aAttribute == nsHTMLAtoms::variable) ||       (aAttribute == nsHTMLAtoms::wrap) ||      (aAttribute == nsHTMLAtoms::cols) ||      (aAttribute == nsHTMLAtoms::width) ||      (aAttribute == nsHTMLAtoms::tabstop)) {    aHint = NS_STYLE_HINT_REFLOW;  }  else if (!GetCommonMappedAttributesImpact(aAttribute, aHint)) {    aHint = NS_STYLE_HINT_CONTENT;  }  return NS_OK;}