For what it's worth, it only uses that when adding an account initially to display the login webpage. The CEF is not used in normal operation of the app. It appears the app's GUI is created using OpenGL.
That said, I could not get the app to work with Google Hangouts or Facebook Messenger after 5 minutes of fiddling, so I gave up.
That said, I could not get the app to work with Google Hangouts or Facebook Messenger after 5 minutes of fiddling, so I gave up.