EnterReflowLock();
WillCauseReflow();
PresShell::StyleRuleRemoved(nsIDocument *aDocument,                            nsIStyleSheet* aStyleSheet,                            nsIStyleRule* aStyleRule) {   EnterReflowLock();  nsresult  rv = mStyleSet->StyleRuleRemoved(mPresContext, aStyleSheet,                                             aStyleRule);  VERIFY_STYLE_TREE;  ExitReflowLock(PR_TRUE);  if (NS_FAILED(rv)) {    return rv;  }  // XXX For now reconstruct everything  return ReconstructFrames();}