automaticDownloads property
      
      ContentSetting
      get
      automaticDownloads
      
    
    
Whether to allow sites to download multiple files automatically. One of
allow: Allow sites to download multiple files automatically,
block: Don't allow sites to download multiple files automatically,
ask: Ask when a site wants to download files automatically after the
first file.
Default is ask.
The primary URL is the URL of the top-level frame. The secondary URL is
not used.
Implementation
ContentSetting get automaticDownloads =>
    ContentSetting.fromJS($js.chrome.contentSettings.automaticDownloads);