Chrome Version: 71.0.3575.0 (Official Build) Revision e76b693f0dd0af3f866de220286b83a2847f0456-refs/branch-heads/3575@{#1} (32/64 bit)
OS: Mac (10.12.6, 10.13.1, 10.14.1), Win (7, 8, 8.1, 10) & Linux (14.04 LTS)

Steps to reproduce:
1. Launch Google Chrome and navigate to chrome://settings/languages.
2. Click on 'Language' option to expand and then click 'Add languages' option to open it overlay.
3. Now click anywhere outside the overlay and Observe.

Actual Result: Disabled 'Add' button and Search icon of 'Add languages' overlay disappears on click outside the overlay.
Expected Result: Disabled 'Add' button and Search icon should not disappear in any way on click outside the overlay.

This is a Regression issue seen from 'M-71' and below is the manual regression range:
Good Build: 71.0.3570.0 (Revision: 596429)
Bad Build:  71.0.3571.0 (Revision: 596950)

(Unable to provide bisect using Per-revision script as Traceback error message is thrown. Also, tried bisecting on other machines and same error is thrown. Hence, providing suspect using Chromium bisect)

Using Chromium bisect script, providing the bisect info below:-

You are probably looking for a change made after 596870 (known good), but no later than 596918 (first known bad).

CHANGELOG URL:

https://chromium.googlesource.com/chromium/src/+log/bb250616a7251d105e25d3e9422bb8ab0e6ce087..38a17abcb0954496c6c655388e9d199242a5d725

Suspecting: r596906 ?

@wangxianzhu: 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. Issue is also seen on M-71 Dev (build #71.0.3573.0).
2. Issue is not seen on Mac (10.13.6) OS and some specific screen resolution for Win OS.

Please refer the attached screen-cast.

Thank You..!!

 

Deleted: Actual Video.mov 8.6 MB

	Actual Video.mov 8.6 MB View Download

Deleted: Expected Video.mov 7.1 MB

	Expected Video.mov 7.1 MB View Download