Chrome Version: 62.0.3202.38 (Official Build)07acaf2e3d9da74d8348a65e7a2e5adf7ee4c662-refs/branch-heads/3202@{#463} 32/64-bit.
OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.12.6).

What steps will reproduce the problem?
1. Launch Chrome and sign-in to Chrome with valid credentials.
2. Go to chrome://settings page and click on SIGN OUT button to open 'Sign out of Chrome' overlay.
3. Now, Zoom out the page to 80% and observe the 'Sign out of Chrome' overlay.

Unwanted vertical scroll bar is appear on 'Sign out of Chrome' overlay.
Vertical scroll bar should not appear on 'Sign out of Chrome' overlay.

This is a regression issue, broken in M-62 series, below is manual regression range.

Good build: 62.0.3178.0 
Bad build: 62.0.3179.0

You are probably looking for a change made after 492372 (known good), but no later than 492373 (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/8ae3ea1c2efcf9d2786cb1af66315b08f0a95051..01cf6fd553bcc6d5a9ca6763eed42fbca5ecc494

Suspect: https://chromium.googlesource.com/chromium/src/+/01cf6fd553bcc6d5a9ca6763eed42fbca5ecc494

@szager: Kindly help to reassign, if your changes are not related to this issue.

Kindly review the attached screen-cast for reference.
 

Deleted: Overlay_Screenshot.png 22.3 KB

	Overlay_Screenshot.png 22.3 KB View Download

Deleted: Actual behavior.mp4 1.2 MB

	Actual behavior.mp4 1.2 MB View Download

Deleted: Expected behavior.mp4 892 KB

	Expected behavior.mp4 892 KB View Download