Chrome Version : 70.0.3530.0 (Official Build) a20250ff3690485ecc1cfaf289802499a7e611aa-refs/branch-heads/3530@{#1} 32/64 bit
OS : Windows (7, 8, 8.1, 10), Linux(14.04 LTS), Mac(10.12.6, 10.13.1, 10.13.6, 10.14)

Test URL : https://www.quirksmode.org/html5/tests/video.html

What steps will reproduce the problem?
1. Launch chrome, navigate to above test URL and play the first video present on the page in 'Picture-in-Picture' mode.
2. Wait until video gets finished and observe the PiP window. 

Actual Result : 'Close' (X) icon is not seen on PiP window after the video is finished. (i.e user do not have any visible control to close the current PiP window.)

Expected Result : 'Close' (X) icon should be shown on PiP window after the video is finished so that user can close the PiP window.

This is a regression issue broken in ‘M-70’ and below is the per-revision bisect information:
Good Build : 70.0.3523.0 (Revision : 583084)
Bad Build : 70.0.3524.0 (Revision : 583420)

Change Log URL :
https://chromium.googlesource.com/chromium/src/+log/7667868daafdd56a86507d2f3d433f30db5083a3..9d6f39a010b60dfa489615b80379f502421ea231

Suspecting : https://chromium.googlesource.com/chromium/src/+/9d6f39a010b60dfa489615b80379f502421ea231

sawtelle@ : Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Note : 
1. This issue is not observed in Beta build #69.0.3497.57 
2. Issue can be reproduced on any test URL which supports PiP feature.
 

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	Actual_Result.mp4 1.0 MB View Download

Deleted: Expected_Result.mp4 1.1 MB

	Expected_Result.mp4 1.1 MB View Download

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	PiP.png 15.3 KB View Download