NS_IMETHOD StyleSheetDisabledStateChanged(nsIDocument* aDocument, nsIStyleSheet* aStyleSheet, PRBool aDisabled) { return NS_OK; }
NS_IMPL_NSIDOCUMENTOBSERVER_STYLE_STUB(nsBindingManager)
  NS_IMETHOD StyleSheetDisabledStateChanged(nsIDocument* aDocument,                                            nsIStyleSheet* aStyleSheet,                                            PRBool aDisabled) { return NS_OK; }