mDocLoader = aDocLoader; NS_ADDREF(mDocLoader);
m_NextStream = nsnull; m_Command    = (nsnull != aCommand) ? PL_strdup(aCommand) : nsnull;
nsresult nsChannelListener::Init(nsDocLoaderImpl *aDocLoader,                                  nsIStreamListener *aListener){  mDocLoader = aDocLoader;  NS_ADDREF(mDocLoader);  mNextListener = aListener;  return NS_OK;}