That's what Containers on the Go does:
https://addons.mozilla.org/en-us/firefox/addon/containers-on...
It wasn't our core use-case, but there's a Web Extension API for others to build on!
https://addons.mozilla.org/en-us/firefox/addon/containers-on...
It wasn't our core use-case, but there's a Web Extension API for others to build on!
Now if only Pentadactyl/Vimperator could be reproduced on top of Web Extensions without loss of functionality... ;-)