UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3261.0 Safari/537.36

Steps to reproduce the problem:
1. Open chrome://inspect
2. Press tab

What is the expected behavior?

What went wrong?
It's a div, not a button. Other elements on the page are buttons.

Did this work before? N/A 

Chrome version: 64.0.3261.0  Channel: canary
OS Version: OS X 10.13.1
Flash Version: