Chrome OS 10452.5.0/66.0.3359.21 

Please specify Cr-* of the system to which this bug/feature applies (add
the label below).

Steps To Reproduce:
(1)Open file app, one android game app and one chrome youtube window
(2)Play some video at youtube.com with full screen  
(3)Press Overview button and observe the youtube page 

Expected Result:

Actual Result:
Some buttons(play/pause and full screen button) are missing with overview 
How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)

What is the impact to the user, and is there a workaround? If so, what is
it?

Please provide any additional information below. Attach a screen shot or
log if possible.

For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.

 

Deleted: Screenshot 2018-03-09 at 12.07.47 PM.png 4.1 MB

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