I haven't seen it on Gmail and Chrome 10.0.642.2 dev yet, but the underlying webkit does work on Ubuntu et al. You can test the feature in Chrome here: http:/

I haven't seen it on Gmail and Chrome 10.0.642.2 dev yet, but the underlying webkit does work on Ubuntu et al. You can test the feature in Chrome here: http://slides.html5rocks.com/#notifications-api http://slides.html5rocks.com/#notifications-api edit: Just got the permission banner in gmail now - works fine.