Chrome version :49.0.2623.75 76745cbfbdac04e2fe3204f8b4f96ae7dc6bfcfa-refs/branch-heads/2623@{#561} (32/64 bit)
OS : Windows(Win 7 aero enabled),Linux.
Url : http://www.nikon.co.in/en_IN/product/digital-slr-cameras/d3200

Steps : 
1. Launch Chrome and open above url.
2. Now click on 'Print this page' link located on RHS of page in description and print preview will appear.
3. Now try to scroll the print preview page up and down using mouse wheel scroll and observe the bottom end of print preview page.

Actual : Flickering is seen at the bottom end of print preview page while scrolling it up and down continuously with mouse wheel.
Expected : Flickering should not be seen at the bottom end of print preview page while scrolling it up and down continuously with mouse wheel.
 
This is a regression issue broken in 'M-49' and below is the manual regression and narrow bisect info.
Good build : 49.0.2621.0
Bad build : 49.0.2622.0

Narrow Bisect :
https://chromium.googlesource.com/chromium/src/+log/b50881afd44d79107b37b0f26da4fc3e5a3bf054..f0cc907e5bb9cbc44f262dfefc83d72f8487f33a?pretty=fuller&n=100

Suspecting r369540 from narrow bisect

@skobes : Could you please help to reassign if your change is not the cause for this issue

Note : Issue is not seen on Mac OS.
 

Deleted: Actual_video.mp4 3.1 MB

Actual_video.mp4 3.1 MB Download

Deleted: Expected_video.mp4 1.4 MB

Expected_video.mp4 1.4 MB Download