'Instant Tethering' comes to Chromebooks with some caveats
 

When you're nowhere near a Wi-Fi hotspot, tethering to your smartphone's data connection is a great solution. Doing it quickly and easily makes it even nicer. Apple has had what it calls Instant Hotspot since 2014, while Google added Instant Tetherin...

https://www.engadget.com/2017/06/02/...-some-caveats/