Chrome Version: 66.0.3359.52 (Official Build)Revision f46e3984da4d3208d54bcf0fff0989ea80c597d8-refs/branch-heads/3359@{#387} (32/64-bit)
OS:Windows(7,8,8.1,10).

What steps will reproduce the problem?
(1)Launch Chrome and navigate to any webpage or open NTP.
(2)Press "Ctrl+P" key, click on 'more settings' and click on zoom in '+' icon from preview such that  scroll bar appears.
(3)Now resize browser window from R.H.S to extreme left and try to scroll the srollbar of preview page(i.e second scrollbar) and observe.

Actual: Unable to scroll the scrollbar after resizing browser window.
Expected: Should be able to scroll the scrollbar even after resizing browser window.

This is a regression issue broken in 'M66' and below is the bisect info:

Good Build: 66.0.3344.0(Revision:535593)
Bad Build:  66.0.3345.0(Revision:536026)

You are probably looking for a change made after 535635 (known good), but no later than 535636 (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/e04a14f4769d6b33b32686ccc3414e917a625ae7..96f85b68747a679ea1ac4cd05d6743ae5f7142b7

Suspect: https://chromium.googlesource.com/chromium/src/+/96f85b68747a679ea1ac4cd05d6743ae5f7142b7 

@skobes: 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 seen on latest dev #67.0.3377.1 and canary #67.0.3379.0
2.Issue not seen on Mac(10.12.6, 10.13.1, 10.13.4) & Linux(14.04 LTS) OS.
 

Deleted: Actual_Scroll.mp4 385 KB

	Actual_Scroll.mp4 385 KB View Download

Deleted: Expected_Scroll.mp4 382 KB

	Expected_Scroll.mp4 382 KB View Download