nsRuleNode* ruleNode = (nsRuleNode*)aData; nsIStyleRule* rule = (nsIStyleRule*)aClosure; ruleNode->ClearCachedDataInSubtree(rule); return PR_TRUE;
ChildrenHashEntry *entry = NS_STATIC_CAST(ChildrenHashEntry*, hdr); nsIStyleRule* rule = NS_STATIC_CAST(nsIStyleRule*, arg); entry->mRuleNode->ClearCachedDataInSubtree(rule); return PL_DHASH_NEXT;
PRBool PR_CALLBACK ClearCachedDataInSubtreeHelper(nsHashKey* aKey, void* aData, void* aClosure){  nsRuleNode* ruleNode = (nsRuleNode*)aData;  nsIStyleRule* rule = (nsIStyleRule*)aClosure;  ruleNode->ClearCachedDataInSubtree(rule);  return PR_TRUE;}