PluginViewerImpl::Init(nsIStreamListener** aDocListener)
NS_IMETHODIMP pluginInstanceOwner :: Init(PluginViewerImpl *aViewer, nsIWidget *aWindow)
PluginViewerImpl::Init(nsIStreamListener** aDocListener){  nsIStreamListener* it = new PluginListener(this);  if (it == nsnull)    return NS_ERROR_OUT_OF_MEMORY;  NS_ADDREF(it);  *aDocListener = it;  return NS_OK;}