Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of hubbe@google.com

fast/.../middleClickAutoscroll-nested-divs.html in webkit_layout_tests failing on chromium.webkit/WebKit Mac10.13 (retina)

Builders failed on: 
- WebKit Mac10.13 (retina): 
  https://ci.chromium.org/buildbot/chromium.webkit/WebKit%20Mac10.13%20%28retina%29

Likely culprit https://chromium-review.googlesource.com/c/chromium/src/+/1165271