Using the per-revision bisect providing the bisect results,
Good build:62.0.3169.0(Revision:490187).
Bad build:62.0.3170.0(Revision:490562).

You are probably looking for a change made after 490556 (known good), but no later than 490557 (first known bad).

CHANGE-LOG URL:
---------------
https://chromium.googlesource.com/chromium/src/+log/4d9f08573ffcace0f52f3740bdf1dde28b11cccf..6a7b2c8b82779c0e1bf5b01b72b4dd5e7c28301e

From the CL above, assigning the issue to the concern owner

@reveman : Could you please look into the issue, pardon me if it has nothing to do with your changes and if possible please assign it to concern owner.

Reviewed-on: https://chromium-review.googlesource.com/591630
Note :Able to reproduce the issue in Win 10.0,Ubuntu 14.04 & Mac 10.12.5 and Able to reproduce in latest Canary #62.0.3171.0
Adding Release Block-Stable for this issue.Please remove if not the case.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e50886210b79339937db96d906f321b85cd98026

commit e50886210b79339937db96d906f321b85cd98026
Author: David Reveman <reveman@chromium.org>
Date: Mon Aug 07 20:54:00 2017

ui: Set animated image source correctly for non-MD user picker.

Fix a two cases where non-MD user picker code is failing
to set animatedImageElement src attribute.

BUG= 750545 
TBR=stevenjb@chromium.org
TEST=chrome://settings/people -> "Manage other people" and press Tab

Change-Id: I362eacb81b77136c10cec96c10d2b61c0e30640a
Reviewed-on: https://chromium-review.googlesource.com/604129
Reviewed-by: David Reveman <reveman@chromium.org>
Commit-Queue: David Reveman <reveman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#492400}
[modify] https://crrev.com/e50886210b79339937db96d906f321b85cd98026/ui/login/account_picker/user_pod_row.js
[modify] https://crrev.com/e50886210b79339937db96d906f321b85cd98026/ui/login/account_picker/user_pod_template.html

Merge request for #6 as required for new default profile avatars (issue 721647).

This bug requires manual review: M61 has already been promoted to the beta branch, so this requires manual review
Please contact the milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), ketakid@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Per comment #8, CL listed #6 merge is needed for new default profile avatars (issue 721647) which is specific to Chrome OS.

+ ketakid@ and kbleicher@ for M61 merge review.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c65a1c37669598ab9ffab76dca15915280e6ed7d

commit c65a1c37669598ab9ffab76dca15915280e6ed7d
Author: David Reveman <reveman@chromium.org>
Date: Sat Aug 12 13:45:32 2017

ui: Set animated image source correctly for non-MD user picker.

Fix a two cases where non-MD user picker code is failing
to set animatedImageElement src attribute.

BUG= 750545 
TBR=reveman@chromium.org, stevenjb@chromium.org
TEST=chrome://settings/people -> "Manage other people" and press Tab

(cherry picked from commit e50886210b79339937db96d906f321b85cd98026)

Change-Id: I362eacb81b77136c10cec96c10d2b61c0e30640a
Reviewed-on: https://chromium-review.googlesource.com/604129
Reviewed-by: David Reveman <reveman@chromium.org>
Commit-Queue: David Reveman <reveman@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#492400}
Reviewed-on: https://chromium-review.googlesource.com/612198
Cr-Commit-Position: refs/branch-heads/3163@{#517}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
[modify] https://crrev.com/c65a1c37669598ab9ffab76dca15915280e6ed7d/ui/login/account_picker/user_pod_row.js
[modify] https://crrev.com/c65a1c37669598ab9ffab76dca15915280e6ed7d/ui/login/account_picker/user_pod_template.html

Per comment #11, this is already merged to M61.

Note: Retested the above issue on #62.0.3187.0 on Linux(14.04 LTS), Mac(10.11.6, 10.12.3), Win(7,8,10).
Fix is working as intended.