Chrome Version: 66.0.3353.0 (Official Build) 545e59b4d718e55d2fa80a0a6c104de9236a0eda-refs/heads/master@{#538677}(32/64 bit)
OS: Windows (7,8,8.1,10), Mac(10.12.6, 10.13.1, 10.13.4)

Test URL: http://codelab.ktam.org/videord.html

What steps will reproduce the problem?
(1) Launch Chrome, navigate to the above test URL.
(2) Play all the videos simultaneously in media players of different widths and observe that it plays for the first time.
(3) Now after all the videos are done playing try to replay the videos again simultaneously by clicking on the play button and observe.
  
Actual Result: Few or none of the videos get replayed.
Expected Result: All videos should be able to replay.

This is regression issue broken in ‘M-66’ and providing the bisect using per-revision bisect,
Good build: 66.0.3344.0 (Revision: 535593)
Bad build: 66.0.3345.0 (Revision: 536026)

You are probably looking for a change made after 535834 (known good), but no later than 535835 (first known bad).

CHANGE-LOG URL:
The script might not always return single CL as suspect as some perf builds might get missing due to failure.

https://chromium.googlesource.com/chromium/src/+log/8afd3e92925a52b439f9e49eb93e184b0e7515be..162b06aa6002e4b3adfb46d7ce402acc5f9dbb7e

Suspect: https://chromium.googlesource.com/chromium/src/+/162b06aa6002e4b3adfb46d7ce402acc5f9dbb7e

@rbpotter: 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 reproducible on Linux(14.04 LTS) OS.
2. These videos can be replayed properly on Mozilla Firefox.

Thank You!
 

Deleted: ActualVideo.mp4 3.3 MB

	ActualVideo.mp4 3.3 MB View Download

Deleted: ExpectedVideo.mp4 4.2 MB

	ExpectedVideo.mp4 4.2 MB View Download