Chrome Version: 71.0.3578.80 (Official Build) Revision 2ac50e7249fbd55e6f517a28131605c9fb9fe897-refs/branch-heads/3578@{#860}(32/64 bit)
OS: Windows(7,8,8.1,10)

What steps will reproduce the problem?
(1) Launch Chrome, navigate to chrome://settings, change Appearance > Font size to 'Very Large'.
(2) Click on Languages > Add languages.
(3) Observe Add languages overlay opens with cursor blinking on the 'Search languages' text field.
(4) Now press the menu key on the keyboard and observe.

Actual Result  : Generic Chrome context menu (with options 'Reload','Save as',Print'..) is shown after pressing menu key on 'Search languages' text field.
Expected Result: Instead context menu (with options ('Emoji','Paste','Paste as plain text'...) should be shown after pressing menu key on 'Search languages' text field.

This is a Regression issue seen from 'M-71' and providing the per revision bisect info below:
Good Build  : 71.0.3558.0 (Revision: 593043)
Bad Build   : 71.0.3559.0 (Revision: 593399)

You are probably looking for a change made after 593204 (known good), but no later than 593205 (first known bad).

CHANGE-LOG URL:

The script might not always return single CL as suspect as some perf builds might get missing due to failure.

https://chromium.googlesource.com/chromium/src/+log/ad515f5fb43fed36bf72cf0001147a31cce0500c..a12770d1657f8823f5e867bd3e60e8d2c05065b6

Suspect: https://chromium.googlesource.com/chromium/src/+/a12770d1657f8823f5e867bd3e60e8d2c05065b6

@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.

Kindly refer attached screen cast.

Note:
1) Issue is not seen on Linux(14.04 LTS) and Mac(10.13.6, 10.13.1, 10.14.2) OS.
2) Same issue is also observed for 'Search passwords' text field on chrome://settings/passwords( but in this case the 'Font size' need not be 'very large'.

Thank You
 

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