Google could be set to make its Chrome OS a much more potent threat to Microsoft if a new commit in the Chromium source is any guide. A developer project known as Crostini shows signs of Google officially introducing support for Linux virtual machines on Chrome OS.
https://www.notebookcheck.net/Chrome-OS-to-support-running-Linux-software-in-virtual-machines.286478.0.html
It is already there with ChromeOS 66 which is what the developer channel is on or Canary.
Works great. You can start a GNU/Linux VM and then within that VM run Docker. So no more Crouton necessary. Or using one of the fake chroots.
Have a Pixel Book and now it is perfect. This was the last piece that was needed.