Chrome Version: 72.0.3625.0 (Official Build) Revision 2c59a8a07afb8b11354406e63270d1cbeb582c47-refs/branch-heads/3625@{#1} (64-bit)
OS : Mac(10.13.6, 10.13.1, 10.14.2)

Steps to reproduce:
1. Launch chrome, navigate to 'chrome://welcome' and give print command using 'cmd+p'.
2. Click on Change button to open select a destination overlay and traverse focus on 'Manage' using tab key.
3. Press enter (while the focus is at Manage) and observe.

Actual Result   : Glimpse of 'chrome://welcome' is seen while navigating to 'chrome://settings/printing' from print preview overlay.
Expected Result : No such glimpse should be seen while navigating.

This is a regression issue broken in M-70 and below is the bisect information:
Good Build : 70.0.3503.0 (Revision : 578160)
Bad Build : 70.0.3504.0 (Revision : 578510)

You are probably looking for a change made after 578333 (known good), but no later than 578334 (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/bcb7db78edc13f57577f0a9562c98918bdcc10ae..67d21d10815fe6d87d1785a65a50fbc386e6605b

Suspect: https://chromium.googlesource.com/chromium/src/+/67d21d10815fe6d87d1785a65a50fbc386e6605b

@Elly: 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: This Issue is seen for any page and is not specific to 'chrome://welcome' 

Kindly refer the attached screen-cast.

Thank You!

 

Deleted: Expected_Result.mov 1.6 MB

	Expected_Result.mov 1.6 MB View Download

Deleted: Actual_Result.mov 2.7 MB

	Actual_Result.mov 2.7 MB View Download