1675396 - [wpt-sync] Sync PR 26403 - Make fixed and sticky as layout shift roots

Status: RESOLVED FIXED

(Testing :: web-platform-tests, task, P4)

Description

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

Sync web-platform-tests PR 26403 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/26403
Details from upstream follow.

b'Xianzhu Wang <[e-mail]>' wrote:

Make fixed and sticky as layout shift roots

This makes PaintInvalidator to detect shifts of descendants of
a fixed/sticky ancestor based on the offset from the ancestor
instead of the LayoutView.

Bug: 1145078
Change-Id: I2887dd29e5ab7e7ad843d27673ad567775d4ecc1

Reviewed-on: https://chromium-review.googlesource.com/2519360
WPT-Export-Revision: d8a042fa5e35dbe0f0cca0fcd05ac8b42e14d089

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=7143e9a8bc8f0c4f158c395d8cb06c9f4aa1d572

Comment 2

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

CI Results

Ran 14 Firefox configurations based on mozilla-central, and Firefox, Chrome, and Safari on GitHub CI

Total 2 tests and 1 subtests

Status Summary

Firefox

OK : 2
FAIL: 2

Chrome

OK : 2
PASS: 1
FAIL: 1

Safari

OK : 2
FAIL: 2

Links

Gecko CI (Treeherder)
GitHub PR Head
GitHub PR Base

Details

New Tests That Don't Pass

/layout-instability/sticky-descendant-move.html: OK [GitHub], SKIP [Gecko-android-em-7.0-x86_64-debug-geckoview, Gecko-android-em-7.0-x86_64-opt-geckoview, Gecko-android-em-7.0-x86_64-qr-debug-geckoview, Gecko-android-em-7.0-x86_64-qr-opt-geckoview, Gecko-linux1804-64-debug, Gecko-linux1804-64-opt, Gecko-linux1804-64-qr-debug, Gecko-linux1804-64-qr-opt, Gecko-windows10-64-debug, Gecko-windows10-64-opt, Gecko-windows10-64-qr-debug, Gecko-windows10-64-qr-opt, Gecko-windows7-32-debug, Gecko-windows7-32-opt] (Chrome: OK, Safari: OK)
Movement of descendant of sticky positioned.: FAIL (Chrome: PASS, Safari: FAIL)
/layout-instability/sticky-layout-no-change.html: OK [GitHub], SKIP [Gecko-android-em-7.0-x86_64-debug-geckoview, Gecko-android-em-7.0-x86_64-opt-geckoview, Gecko-android-em-7.0-x86_64-qr-debug-geckoview, Gecko-android-em-7.0-x86_64-qr-opt-geckoview, Gecko-linux1804-64-debug, Gecko-linux1804-64-opt, Gecko-linux1804-64-qr-debug, Gecko-linux1804-64-qr-opt, Gecko-windows10-64-debug, Gecko-windows10-64-opt, Gecko-windows10-64-qr-debug, Gecko-windows10-64-qr-opt, Gecko-windows7-32-debug, Gecko-windows7-32-opt] (Chrome: OK, Safari: OK)
Sticky layout no change.: FAIL (Chrome: FAIL, Safari: FAIL)

Tests Disabled in Gecko Infrastructure

/layout-instability/sticky-descendant-move.html: OK [GitHub], SKIP [Gecko-android-em-7.0-x86_64-debug-geckoview, Gecko-android-em-7.0-x86_64-opt-geckoview, Gecko-android-em-7.0-x86_64-qr-debug-geckoview, Gecko-android-em-7.0-x86_64-qr-opt-geckoview, Gecko-linux1804-64-debug, Gecko-linux1804-64-opt, Gecko-linux1804-64-qr-debug, Gecko-linux1804-64-qr-opt, Gecko-windows10-64-debug, Gecko-windows10-64-opt, Gecko-windows10-64-qr-debug, Gecko-windows10-64-qr-opt, Gecko-windows7-32-debug, Gecko-windows7-32-opt] (Chrome: OK, Safari: OK)
/layout-instability/sticky-layout-no-change.html: OK [GitHub], SKIP [Gecko-android-em-7.0-x86_64-debug-geckoview, Gecko-android-em-7.0-x86_64-opt-geckoview, Gecko-android-em-7.0-x86_64-qr-debug-geckoview, Gecko-android-em-7.0-x86_64-qr-opt-geckoview, Gecko-linux1804-64-debug, Gecko-linux1804-64-opt, Gecko-linux1804-64-qr-debug, Gecko-linux1804-64-qr-opt, Gecko-windows10-64-debug, Gecko-windows10-64-opt, Gecko-windows10-64-qr-debug, Gecko-windows10-64-qr-opt, Gecko-windows7-32-debug, Gecko-windows7-32-opt] (Chrome: OK, Safari: OK)

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/a229e9b1f048
[wpt PR 26403] - Let sticky elements be layout shift roots, a=testonly

Comment 4

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/a229e9b1f048