void DownloadManagerImpl::OnUrlDownloadStarted(
    std::unique_ptr<DownloadCreateInfo> download_create_info,
    std::unique_ptr<DownloadManager::InputStream> stream,
    const DownloadUrlParameters::OnStartedCallback& callback) {
  StartDownload(std::move(download_create_info), std::move(stream), callback);
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.