UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3448.0 Safari/537.36

Steps to reproduce the problem:
1.  Click on Show Desktop.
2. Open Chromium again. There is weird glitching.
Or 
1. Open any Plugin menu.
2. There is glitching there too.

See these : 

What is the expected behavior?
Everything should work normally.

What went wrong?
There are weird white and black boxes.

Probably a rendering problem.

Did this work before? Yes  68.0.3424.0

Chrome version: 69.0.3448.0  Channel: canary
OS Version: 10.0
Flash Version: 

I am using Chromium 69.0.3448.0 (563935)

It was compiled by https://github.com/henrypp and is downloaded from here : https://github.com/henrypp/chromium/releases/tag/v69.0.3448.0-r563935-win32