CSSRuleProcessor::ClearRuleCascades(void)
CSSStyleSheetImpl::ClearRuleCascades(void)
CSSRuleProcessor::ClearRuleCascades(void){  RuleCascadeData *data = mRuleCascades;  mRuleCascades = nsnull;  while (data) {    RuleCascadeData *next = data->mNext;    delete data;    data = next;  }  mRuleCascades = nsnull;  return NS_OK;}