If you are having problems using Chrome Remote Desktop, make sure your antivirus allows the following: 'Antivirus software might prevent you from using Chrome Remote Desktop. Maybe the problem is your end and your browser needs cache clearing or something, here are a few tips from the google website: You will struggle to find another method to dial into CR / Chrome OS as it's not something that is hugely desired and when you ask anyone at google they say it's a security feature which is kind of true.
I used it into a CR machine last week, I'll test that again in the morning for you, I doubt google has stopped it at all.
I can confirm that the google setup is working at least into a windows machine as I've been using it all week.