UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Example URL:
s

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

What is the expected behavior?
s

What went wrong?
s

Did this work before? N/A 

Is it a problem with Flash or HTML5? N/A

Does this work in other browsers? N/A

Chrome version: 63.0.3239.132  Channel: n/a
OS Version: OS X 10.12.6
Flash Version: 

Contents of chrome://gpu: 
s

s