Chrome Version: 73.0.3672.0 (Official Build) Revision	85c08445cbd3b2c184402109493da9e9ad4b4dfa-refs/branch-heads/3672@{#1} (32/64-bit)
OS: Windows(7,8,8.1,10), Mac (10.13.1, 10.13.6, 10.14.3) & Linux (14.04 LTS)

What steps will reproduce the problem?
1. Launch Chrome, open DevTools and go to 'Sources' section.
2. Press "Ctrl + P" key to Open file overlay and select any option from list.
3. Select 'Add source map' option from right click context and observe the 'Source map URL' text-box.

Actual: Outer border of 'Source map URL' text-box doesn't appear.
Expected: Outer border of 'Source map URL' text-box should appear.

This is a regression issue, broken in M-67 series, below is manual regression range:

Good build: 67.0.3377.0 (Revision: 544611)
Bad build: 67.0.3378.0 (Revision: 544931)

You are probably looking for a change made after 544617 (known good), but no later than 544618 (first known bad).
CHANGELOG 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/af71563d3c61e712f355f6b73d5b589ab9d9ed97..84798c860d86bd5b7dd22fe75df83b5280dbf39f

Suspecting: https://chromium.googlesource.com/chromium/src/+/84798c860d86bd5b7dd22fe75df83b5280dbf39f

@pfeldman: 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 review the attached screen-cast for reference.

Thank you..!
 

Deleted: Source map URL-Screenshot.png 6.0 KB

	Source map URL-Screenshot.png 6.0 KB View Download

Deleted: Actual behavior.mp4 962 KB

	Actual behavior.mp4 962 KB View Download

Deleted: Expected behavior.mp4 1000 KB

	Expected behavior.mp4 1000 KB View Download