I believe the fix is similar to https://chromium-review.googlesource.com/c/chromium/src/+/1055894

Since jshin is transitioning, would any of the CCs be interested in this one? Otherwise I can give it a shot.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d616695bd68610e75b90d734d72d42534bf01b82

commit d616695bd68610e75b90d734d72d42534bf01b82
Author: Mustafa Emre Acer <meacer@chromium.org>
Date: Fri Jun 08 19:19:41 2018

Add confusability mapping entries for Myanmar and Georgian

U+10D5 (ვ), U+1012 (ဒ) => 3

Bug:  847242 ,  849398 
Test: components_unittests --gtest_filter=*IDN*
Change-Id: I9abb8560cf1c9e8e5e8d89980780b89461f7be52
Reviewed-on: https://chromium-review.googlesource.com/1091430
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Mustafa Emre Acer <meacer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565709}
[modify] https://crrev.com/d616695bd68610e75b90d734d72d42534bf01b82/components/url_formatter/idn_spoof_checker.cc
[modify] https://crrev.com/d616695bd68610e75b90d734d72d42534bf01b82/components/url_formatter/url_formatter_unittest.cc

Verified the fix in 69.0.3454.0 (Developer Build) (64-bit), http://xn--16-z0j.com/ is shown in punycode instead of http://16ဒ.com. 

It's now picked up by Canary, closing.

This bug requires manual review: M68 has already been promoted to the beta branch, so this requires manual review
Please contact the milestone owner if you have questions.
Owners: cmasso@(Android), kariahda@(iOS), bhthompson@(ChromeOS), abdulsyed@(Desktop)

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

which OS's is this impacting?

Must be all but not sure about iOS

Approved branch:3440

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/93c0d219306d70faf545afd6baf3e6f389c76f55

commit 93c0d219306d70faf545afd6baf3e6f389c76f55
Author: Mustafa Emre Acer <meacer@chromium.org>
Date: Wed Jun 20 17:45:43 2018

Add confusability mapping entries for Myanmar and Georgian

U+10D5 (ვ), U+1012 (ဒ) => 3

TBR=meacer@chromium.org

(cherry picked from commit d616695bd68610e75b90d734d72d42534bf01b82)

Bug:  847242 ,  849398 
Test: components_unittests --gtest_filter=*IDN*
Change-Id: I9abb8560cf1c9e8e5e8d89980780b89461f7be52
Reviewed-on: https://chromium-review.googlesource.com/1091430
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Mustafa Emre Acer <meacer@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#565709}
Reviewed-on: https://chromium-review.googlesource.com/1108380
Reviewed-by: Mustafa Emre Acer <meacer@chromium.org>
Cr-Commit-Position: refs/branch-heads/3440@{#464}
Cr-Branched-From: 010ddcfda246975d194964ccf20038ebbdec6084-refs/heads/master@{#561733}
[modify] https://crrev.com/93c0d219306d70faf545afd6baf3e6f389c76f55/components/url_formatter/idn_spoof_checker.cc
[modify] https://crrev.com/93c0d219306d70faf545afd6baf3e6f389c76f55/components/url_formatter/url_formatter_unittest.cc

I'm afraid the VRP panel declined to award for this report.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

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