1859931 - [wpt-sync] Sync PR 42618 - Fix paint issue with transparent scrollbars

Status: RESOLVED FIXED

(Core :: Layout: Scrolling and Overflow, task, P4)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 42618 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/42618
Details from upstream follow.

Luke Warlow <[e-mail]> wrote:

Fix paint issue with transparent scrollbars

LayoutBox::BackgroundClipBorderBoxIsEquivalentToPaddingBox now correctly
accounts for non-auto scrollbar gutters, along with non-opaque
scrollbars.

ScrollbarDisplayItem::IsOpaque also now handles non-opaque non-overlay
scrollbars.

Bug: 1490798, 1459802
Change-Id: I7c3d5c3c1a498b43082dddfb7cab9850951e4ec6
Reviewed-on: https://chromium-review.googlesource.com/4952560
WPT-Export-Revision: bd384e21c297bcbec6aa4447e1b6f2f4dca0d2f8

Comment 1

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Pushed to try (stability) https://treeherder.mozilla.org/#/jobs?repo=try&revision=9a804b45e20bb38948a4911042cb563c41730f7c

Comment 2

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

CI Results

Ran 0 Firefox configurations based on mozilla-central, and Firefox, Chrome, and Safari on GitHub CI

Total 1 tests

Status Summary

Firefox

PASS: 1

Chrome

FAIL: 1

Safari

FAIL: 1

Links

GitHub PR Head
GitHub PR Base

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/11794b24424e
[wpt PR 42618] - Fix paint issue with transparent scrollbars, a=testonly

Comment 4

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/11794b24424e