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Issue 856131 link

Starred by 2 users

Issue metadata

Status: Fixed
Owner:
Closed: Sep 24
Cc:
Components:
EstimatedDays: ----
NextAction: 2018-07-05
OS: Linux , Android , Windows , Mac
Pri: 2
Type: Bug-Regression



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Regression: Unable to scroll through "Main menu" options of Google News

Reported by khushal....@etouch.net, Jun 25 2018

Issue description

Chrome Version : 69.0.3472.0 (Official Build) Revision c98da5eedd07a2e61d1a982bb9dab46e437946cf-refs/branch-heads/3472@{#1} (32/64-bit)
OS: Windows (7, 8, 8.1, 10), Mac (10.12.6, 10.13.1, 10.13.5, 10.13.6) & Linux (14.04 LTS)

Test URL: https://news.google.com/?taa=1&hl=en-IN&gl=IN&ceid=IN:en

Steps to reproduce:
(1) Launch chrome and navigate to above URL.
(2) Now try to scroll up/down the "Main menu" options and Observe.

Actual Result: Unable to scroll through "Main menu" options of Google News.
Expected Result: Should be able to scroll through "Main menu" options of Google News.

This is a Regression issue broken in 'M-69' and providing the bisect info below:

Good Build: 69.0.3451.0 (Revision: 564769)
Bad Build:  69.0.3452.0 (Revision: 565143)

You are probably looking for a change made after 564825 (known good), but no later than 564826 (first known bad).

CHANGE-LOG 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/2045134020610ddc664eb41700d2f8b959b192c4..4f8f44f272473dfd92257e18dbe86fdf48d61884

Suspect: https://chromium.googlesource.com/chromium/src/+/4f8f44f272473dfd92257e18dbe86fdf48d61884

@rego: 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: Issue is also seen on M-69 Dev (build #69.0.3464.0).

Kindly refer attached screen cast.

Thank You..!!
 
Actual Video.mov
6.2 MB View Download
Expected Video.mov
4.1 MB View Download
Cc: pbomm...@chromium.org
Labels: ReleaseBlock-Stable
Adding release blocker label for this issue.Please reduce priority or remove if not the case.

Thank You!
Owner: r...@igalia.com

Comment 3 by r...@igalia.com, Jun 25 2018

Cc: e...@chromium.org
Labels: Needs-Feedback
I guess the problem is the "c-wiz" element that has "contain: layout style".
If you remove "contain: layout" from it the scrollbar appears again.

I'm not completely sure what's the element with "overflow: auto" or "overflow: scroll"
that is showing the scrollbar, but if a descendant has "contain: layout"
its overflowing contents do not affect the parent element.
So the current behavior seems the one defined in the spec.

This change was intended to follow the spec for "contain: layout"
(https://drafts.csswg.org/css-contain/#containment-layout):
  "If the contents of the element overflow the element, they must be treated as ink overflow."

DevTools had a similar  issue #851422  that has been already fixed.

Could we ask site owners to get this fixed
(for example using "contain: style" instead of "contain: layout style")?

Comment 4 by e...@chromium.org, Jun 28 2018

NextAction: 2018-07-05
Status: ExternalDependency (was: Assigned)
Filed internal bug with relevant team, issue 110946935.

The NextAction date has arrived: 2018-07-05
Issue 863331 has been merged into this issue.
Labels: OS-Android
Friendly ping to get an update as it is marked as RB stable.
Thanks..!

> Filed internal bug with relevant team, issue 110946935.

eae@ any info about the internal bug?
Labels: -Pri-1 -ReleaseBlock-Stable Pri-2
No update. I'll ask again.

Given that this is a relatively minor issue and the lack of reports or response from the relevant site team I'll go ahead an downgrade this to a P2.

This is still happening and M69 has reached stable now.

eae@ it would be nice if you can re-ping the internal team again about this topic.
This seems to be working for me now, I guess the issue has been fixed in news.google.com.

Status: Fixed (was: ExternalDependency)
Confirmed.

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