Version: 54.0.2815.0 dev
OS: Linux, Windows
What steps will reproduce the problem?
(1) Make sure you have two persons >> Open user manager window by clicking avatar icon on top left and select switch person
(2) Now hit tab continuously and observe.

Expected: Focus should traverse to all persons and links
Actual: Instead focus doesn't shift on hitting tab[It remains on first person only]

This is a regression issue broken in M54.

Good Build: 54.0.2811.0 dev.
Bad Build: 54.0.2812.0 dev.

CHANGELOG URL:
  https://chromium.googlesource.com/chromium/src/+log/1019dd83f1b3c419a26ac681789e2d6da5d8e868..a8e4ad8678760fe8d08c24ad1788347990042b34

Suspecting  https://codereview.chromium.org/2129253002 from changelog.

@sammiequon: Please confirm the issue or help in re-assigning if it is not related to your change.
 

Deleted: Actual_focus traversal.ogv 518 KB

	Actual_focus traversal.ogv 518 KB View Download

Deleted: Expected_focus traversal.ogv 535 KB

	Expected_focus traversal.ogv 535 KB View Download