return rv;
return ReconstructFrames();
PresShell::StyleRuleRemoved(nsIDocument *aDocument,                            nsIStyleSheet* aStyleSheet,                            nsIStyleRule* aStyleRule) {   EnterReflowLock();  nsresult  rv = mStyleSet->StyleRuleRemoved(mPresContext, aStyleSheet, aStyleRule);  ExitReflowLock();  return rv;}