m_targetStreamListener = 0;  return rv;
return NS_OK;
NS_IMETHODIMP nsDocumentOpenInfo::OnStopRequest(nsIRequest *request, nsISupports *aCtxt,                                                 nsresult aStatus){  nsresult rv = NS_OK;    if (ProcessCanceledCase(request))    return NS_OK;  if ( m_targetStreamListener)  {    m_targetStreamListener->OnStopRequest(request, aCtxt, aStatus);  }  m_targetStreamListener = 0;  return rv;}