UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36

Steps to reproduce the problem:
1. Right-click extension icon and choose 'Inspect popup'
2. Click 'Perform an audit...' in devtools, tab Audits.

What is the expected behavior?
It will perform an audit.

What went wrong?
Both the popup and devtools window disappears. Inspecting the popup again shows no audit performed.

Did this work before? N/A 

Chrome version: 60.0.3112.90  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: