PRInt32 ourChange = NS_STYLE_HINT_NONE;
nsChangeHint ourChange = NS_STYLE_HINT_NONE;
CaptureChange(nsIStyleContext* aOldContext, nsIStyleContext* aNewContext,              nsIFrame* aFrame, nsIContent* aContent,              nsStyleChangeList& aChangeList, PRInt32 aMinChange){  PRInt32 ourChange = NS_STYLE_HINT_NONE;  aOldContext->CalcStyleDifference(aNewContext, ourChange);  if (aMinChange < ourChange) {    aChangeList.AppendChange(aFrame, aContent, ourChange);    aMinChange = ourChange;  }  return aMinChange;}