Just want to add that the new chat works like absolute garbage on mobile. It unselects the text bar whenever I send a message (either by clicking Send or using the Go button on the keyboard) and zooms into the text bar whenever I reselect it because that's how Chrome treats text fields. 

It's possible neither of these things are easy to fix (or there are options in Chrome itself I have to tinker with) but I thought you should know (up to date Chrome on a Galaxy Note 2).

Nice job on the face lift by the way.