if (mNotifiers)
if (mListeners)
nsTopProgressNotifier::FinalStatus(const PRUnichar *URL, PRInt32 status){    if (mActive)        mActive->FinalStatus(URL, status);    if (mNotifiers)    {        PRInt32 i=0;        for (; i < mNotifiers->Count(); i++)         {            nsIXPINotifier* element = (nsIXPINotifier*)mNotifiers->ElementAt(i);            if (element != NULL)                element->FinalStatus(URL,status);        }    }   return NS_OK;}