nsDocLoaderImpl::GetContainer(nsIContentViewerContainer** aResult)
nsDocLoaderImpl::GetContainer(nsISupports** aResult)
nsDocLoaderImpl::GetContainer(nsIContentViewerContainer** aResult){  nsresult rv = NS_OK;  if (nsnull == aResult) {    rv = NS_ERROR_NULL_POINTER;  } else {    *aResult = mContainer;    NS_IF_ADDREF(mContainer);  }  return rv;}