raccoondad source enable_display and run chromium --ozone-platform=wayland to use the basic Weston setup they have there. If you want to use GPU acceleration, the last 2 lines of enable_display need to be commented out and you need to create linux/virglrenderer as a file in the profile you're using the Terminal app to tell it to enable VirGL which it will show as a toast after being force stopped and launched again. You can also use your own GUI setup but that's how to use the one they have set up with working VirGL support.