I believe the earlier versions of Chrome/Chromium OS took this to the logical extreme.
https://www.technologyreview.com/2009/11/19/208062/google-gi...
This reminds me of the Windows 8 version they had for a short time where you got a full-blown ChromeOS "clone" when launching the Metro version: https://www.howtogeek.com/179980/how-to-use-the-chrome-os-de...
On ChromeOS, Chrome is the window manager, compositor and desktop session all in one.
This reminds me of the Windows 8 version they had for a short time where you got a full-blown ChromeOS "clone" when launching the Metro version: https://www.howtogeek.com/179980/how-to-use-the-chrome-os-de...