UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/58.0.3029.81 Chrome/58.0.3029.81 Safari/537.36

Steps to reproduce the problem:
1. Open a video on YouTube
2. Try viewing it full screen
3. The problem arises mostly when there are multiple tabs open

What is the expected behavior?

What went wrong?
the browser becomes unresponsive. And needs to be killed and restarted again for function

Did this work before? N/A 

Chrome version: 58.0.3029.81  Channel: stable
OS Version: 
Flash Version: 

this is not very specific and exact conditions for reproducing the problem could not be found. though this is quite frequent ~ 20% of the times this happens while full screening the video