UserAgent: Mozilla/5.0 (X11; CrOS x86_64 9765.76.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.113 Safari/537.36
Platform: youtube.com

Example URL:
www.youtube.com

Steps to reproduce the problem:
1. 
2. 
3. 

What is the expected behavior?
/

What went wrong?
/

Did this work before? Yes /

Is it a problem with Flash or HTML5? HTML5

Does this work in other browsers? N/A

Chrome version: 61.0.3163.113  Channel: stable
OS Version: 9765.76.0
Flash Version: 2

Contents of chrome://gpu: