Device Simulation Handler not working on Chrome 50

Device Simulation Handler not working on Chrome 50

  
We just got a new version of chrome pushed to our PCs.
Chrome Version 50.0.2661.75 m

Now the device simulator doesn't appear anymore. Any ideas ?

Thank you very much.

Fabian
Sorry. False Alarm. It's back . Weird though since it happened on 2 pcs ....