UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2873.0 Safari/537.36

Steps to reproduce the problem:
1. Connect an android device 
2. more tools -> remote devices
3. select connected device.
4. open any website on the android browser.
5. click inspect button.

What is the expected behavior?
New window with the screen cast of the android device screen with the usual dev tools tabs opens. 

What went wrong?
Nothing happened when inspect was clicked.

Did this work before? N/A 

Chrome version: 55.0.2873.0  Channel: canary
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 23.0 r0

Inspect worked for the same device, same set of websites when I follow the same procedure in chrome dev 55.0.2868.3