void ChromeDownloadManagerDelegate::ShouldCompleteDownloadInternal(
    uint32_t download_id,
    const base::Closure& user_complete_callback) {
  DownloadItem* item = download_manager_->GetDownload(download_id);
  if (!item)
    return;
  if (ShouldCompleteDownload(item, user_complete_callback))
    user_complete_callback.Run();
}

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.