UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10452.30.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.67 Safari/537.36

Example URL:

Steps to reproduce the problem:
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What is the expected behavior?

What went wrong?
trying to you tube music

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? Yes 

Does this work in other browsers? N/A

Chrome version: 66.0.3359.67  Channel: n/a
OS Version: 10452.30.0
Flash Version: