return NS_OK;
m_Container = aContainer; NS_IF_ADDREF(m_Container);  m_Observer = anObserver; NS_IF_ADDREF(m_Observer);  m_ExtraInfo = aExtraInfo; NS_IF_ADDREF(m_ExtraInfo);  return NS_OK;
nsresult nsChannelListener::Init(nsDocLoaderImpl *aDocLoader,                                  nsIStreamListener *aListener){  mDocLoader = aDocLoader;  NS_ADDREF(mDocLoader);  mNextListener = aListener;  return NS_OK;}