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Issue 850898 link

Starred by 1 user
Status: Duplicate
Merged: issue 766788
Owner:
dtapu...@chromium.org
Closed: Jun 2018
Cc:
nyerramilli@chromium.org
rbasuvula@chromium.org
bokan@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 2
Type: Bug-Regression



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Regression : Unable to scroll the page using mouse wheel for www.rcfltd.com

Reported by rp...@etouch.net, Jun 8 2018 
Chrome version: 69.0.3452.0 (Official Build) Revision 0d0b79e107ffa727bd13f2636984c125ffc2040c-refs/branch-heads/3452@{#1}(32/64-bit)
OS: Windows (7,8,8.1,10) and Linux (14.04 LTS)
URL : http://www.rcfltd.com/index.php/en/hr/recruitment/8121-recruitment-of-management-trainee-marketing-2018

What steps will reproduce the problem?
1. Launch chrome,navigate to above url and try to scroll page using mouse wheel,observe
 
Actual: Unable to scroll the page using mouse wheel.
Expected: Should be able to scroll the page using mouse wheel.

This is regression issue, broken in ‘M 61’ and will soon update other info :
Good build: 61.0.3137.0  (Revision: 481057).
Bad build: 61.0.3138.0 (Revision: 481386).

You are probably looking for a change made after 481207(known good), but no later than 481213 (first known bad).

Narrow Bisect info : 
https://chromium.googlesource.com/chromium/src/+log/b2e101299180938b571c5779f11105b767c0e70b..31c39d8d4b952996ae119d2663f05d3d5150e592?pretty=fuller&n=50

Suspecting: r481209 from Narrow bisect

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

Note:
1.Unable to provide bisect using per-revision script,Hence providing bisect with old script.
2.Issue is not seen on Mac(10.12.6,10.13.1,10.13.6) 
3.This issue is also reproducible on M-67 Stable (build # 67.0.3396.79),M-68 Beta (build # 68.0.3440.17) and M-69 Canary (build # 69.0.3453.0).
Actual_video.mp4
540 KB View Download
Expected_video.mp4
1.2 MB View Download

Comment 1 by bokan@chromium.org, Jun 8 2018

Cc: bokan@chromium.org
Labels: -Pri-1 Pri-2
Owner: dtapu...@chromium.org
This is scrollTopLeftInterop related. The page is using this library to do smooth scroll: https://github.com/simov/simplr-smoothscroll

Notably, this line in the wheel handler is responsible:
  f = navigator.userAgent.indexOf("AppleWebKit") !== -1 ? e("body") : e("html")

Over to dtapuska@ to determine next steps if any.

Comment 2 by dtapu...@chromium.org, Jun 8 2018

Mergedinto: 766788
Status: Duplicate (was: Assigned)
This site uses a unmaintained smooth scrolling library that isn't compatible with Chrome anymore. See https://github.com/simov/simplr-smoothscroll/issues/27.

It's invocation should just be removed from the page.
►

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