Chrome Version: 59.0.3071.15
Chrome OS Version: 9460.5.0 
Chrome OS Platform: pi
Network info: wifi

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

Steps To Reproduce:
(1) start playing below added video(in next comment) in browser
(2) open another new tab
(3) then switch between these 2 tabs as shown in observation video

Expected Result:
-- No video glitch

Actual Result:
-- Observing video glitch as shown in observation video

How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)
Always
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.
feedbackreport: 58530619299
This issue not observed while disabling the H/W decode from about:flags

Observation video and video to be played added in next comment.