NS_IF_RELEASE(mURL);
CSSStyleSheetInner::~CSSStyleSheetInner(void){  MOZ_COUNT_DTOR(CSSStyleSheetInner);  NS_IF_RELEASE(mURL);  if (mOrderedRules) {    mOrderedRules->EnumerateForwards(SetStyleSheetReference, nsnull);    NS_RELEASE(mOrderedRules);  }}