2005295 - [wpt-sync] Sync PR 56640 - [viewport units] Housekeeping bits of obeying scrollbars

Status: RESOLVED FIXED

(Core :: CSS Parsing and Computation, task, P4)

Description

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

Sync web-platform-tests PR 56640 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/56640
Details from upstream follow.

David Grogan <[e-mail]> wrote:

[viewport units] Housekeeping bits of obeying scrollbars

• Replace TODO with DCHECKs in
  PaintLayerScrollableArea::ComputeScrollbarWidthsForViewportUnits.

• Add WPT showing that viewport units in registered custom properties that affect scrollbars do not cause rendering cycles.

Bug: 354751900
Change-Id: Ic149c57a9093e02f0dac9258ecb1ac0bba518439
Reviewed-on: https://chromium-review.googlesource.com/7236093
WPT-Export-Revision: 02278324d9122bddafddd99dcfe1cfacfeddfb13

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=1a79c6d0a7532ec6ef315c3a609634e3eb6eba48

Comment 2

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

Attachment: Notable wpt changes

# CI Results

Ran 11 Firefox configurations based on mozilla-central, and Firefox, Chrome, and Safari on GitHub CI

Total 400 tests

## Status Summary

### Firefox
`OK`     : 1[GitHub] 209[Gecko-linux2404-64-debug] 210[Gecko-android-em-14-x86_64-debug-geckoview, Gecko-android-em-14-x86_64-lite-opt-geckoview, Gecko-android-em-14-x86_64-opt-geckoview, Gecko-linux2404-64-opt, Gecko-windows11-32-24h2-debug, Gecko-windows11-32-24h2-opt, Gecko-windows11-64-24h2-debug, Gecko-windows11-64-24h2-opt]
`PASS`   : 1[GitHub] 17[Gecko-linux2204-64-wayland-debug, Gecko-linux2204-64-wayland-opt] 4948[Gecko-windows11-32-24h2-debug, Gecko-windows11-32-24h2-opt] 5065[Gecko-linux2404-64-opt] 5066[Gecko-linux2404-64-debug, Gecko-windows11-64-24h2-debug, Gecko-windows11-64-24h2-opt] 5069[Gecko-android-em-14-x86_64-debug-geckoview] 5070[Gecko-android-em-14-x86_64-lite-opt-geckoview, Gecko-android-em-14-x86_64-opt-geckoview]
`FAIL`   : 4336[Gecko-windows11-32-24h2-debug, Gecko-windows11-32-24h2-opt] 4386[Gecko-android-em-14-x86_64-lite-opt-geckoview, Gecko-android-em-14-x86_64-opt-geckoview] 4387[Gecko-android-em-14-x86_64-debug-geckoview] 4391[Gecko-linux2404-64-debug, Gecko-linux2404-64-opt, Gecko-windows11-64-24h2-debug, Gecko-windows11-64-24h2-opt]
`TIMEOUT`: 1

### Chrome
`OK`     : 1
`FAIL`   : 1

### Safari
`OK`     : 1
`PASS`   : 1

## Links
[Gecko CI (Treeherder)](https://treeherder.mozilla.org/#/jobs?repo=try&revision=1a79c6d0a7532ec6ef315c3a609634e3eb6eba48)
[GitHub PR Head](https://wpt.fyi/results/?sha=8bb19df41c2d9c5f8e56b95823620ab0601bcd6e&label=pr_head)
[GitHub PR Base](https://wpt.fyi/results/?sha=8bb19df41c2d9c5f8e56b95823620ab0601bcd6e&label=pr_base)

## Details

(See attachment for full changes)

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/493a31c88954
https://hg.mozilla.org/integration/autoland/rev/616ae652220d
[wpt PR 56640] - [viewport units] Housekeeping bits of obeying scrollbars, a=testonly

Comment 4

[Cristian Tuns]

https://hg.mozilla.org/mozilla-central/rev/616ae652220d