Chrome Version: 71.0.3572.0 Revision 2747bd652db387103b1b91a59dfe0d66c03b9902-refs/branch-heads/3572@{#1}(64 bit)
OS: Mac(10.12.6,10.13.1,10.13.6,10.14.1)

What steps will reproduce the problem?
(1) Launch chrome, open NTP and give Print command on it. 
(2) Press Tab key upto focus reaches to radio button of text field under 'Pages' section.
(3) Then press Shift+Tab and press Enter key (Save as overlay gets opened), cancel it.
(4) Observe grey focus highlight.

Actual: Grey focus remained on text field even after focus shifted to All radio button.

Expected: No such a focus should remained on text field.

This is a regression issue, broken in 'M71', below is bisect info:

Good Build: 71.0.3564.0
Bad Build: 71.0.3566.0

You are probably looking for a change made after 590307 (known good), but no later than 590358 (first known bad).
CHANGELOG URL:

https://chromium.googlesource.com/chromium/src/+log/5385bf5d961b5b029a5eb08dfa3449627692ae29..57f98fb51e315fc4fd03bc3391c8b5865d4138f4

Suspect: https://chromium.googlesource.com/chromium/src/+/311f9860ef228835607ad94d32504b71d58d58d3

@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. Unable to provide 'per-revision' bisect as it shows "[Error 5] Access denied" error message for above range. (tried on other machines but still getting the same error again)
2. Hence provided suspect through 'Chromium bisect'.
3. Issue is not seen on Windows (7, 8, 8.1, 10) and Linux(14.04 LTS) OS.
 

Deleted: Actual_Focus.mov 4.6 MB

	Actual_Focus.mov 4.6 MB View Download

Deleted: Expected_Focus.mov 7.8 MB

	Expected_Focus.mov 7.8 MB View Download