Import css-scrollbars WPT tests

[lukewarlow]

9a31af7

Import css-scrollbars WPT tests
https://bugs.webkit.org/show_bug.cgi?id=256792

Reviewed by Tim Nguyen.

WPT at cb1e54222a206b4cbb5211f7e24878a267b820f1

* LayoutTests/TestExpectations:
* LayoutTests/imported/w3c/resources/import-expectations.json:
* LayoutTests/imported/w3c/resources/resource-files.json:
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/META.yml: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/auto-scrollbar-inline-children-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/auto-scrollbar-inline-children.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/inheritance-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/inheritance.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/multicol-in-orthogonal-writing-mode-crash.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-001-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-001.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-002-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-002.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-003-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-003.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-004-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-004.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-005-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-005.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-006-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-006.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-007-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-007.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-008-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-008.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-keywords-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-keywords.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-001-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-001-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-001.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-002-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-002-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-002.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-003-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-003-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-paint-003.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-parsing-expected.txt: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbar-width-parsing.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbars-chrome-bug-001-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbars-chrome-bug-001-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/scrollbars-chrome-bug-001.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/support/viewport-scrollbar-body-frame.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/support/viewport-scrollbar-frame.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/support/w3c-import.log: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/textarea-scrollbar-width-none-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/textarea-scrollbar-width-none-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/textarea-scrollbar-width-none.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/transparent-on-root-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/transparent-on-root-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/transparent-on-root.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/viewport-scrollbar-body-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/viewport-scrollbar-body-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/viewport-scrollbar-body.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/viewport-scrollbar-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/viewport-scrollbar-ref.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/viewport-scrollbar.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-scrollbars/w3c-import.log: Added.
* LayoutTests/platform/ios-wk2/TestExpectations:

Canonical link: https://commits.webkit.org/264178@main

186626e

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🧪 gtk-wk2
	🧪 api-ios	✅ 🧪 mac-wk2	✅ 🧪 api-gtk
	✅ 🛠 tv	✅ 🧪 mac-AS-debug-wk2
	✅ 🛠 tv-sim	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch
✅ 🛠 🧪 unsafe-merge	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on previous version of this PR (hash d987ef4)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	⏳ 🛠 wincairo
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	⏳ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	⏳ 🧪 gtk-wk2
⏳ 🛠 🧪 jsc	⏳ 🧪 api-ios	✅ 🧪 mac-wk2	✅ 🧪 api-gtk
	✅ 🛠 tv	🧪 mac-AS-debug-wk2
	✅ 🛠 tv-sim	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch
	✅ 🛠 watch-sim

[nt1m]

Looks good. Can you add the commit hash of the upstream commit you imported from in the commit message?

[webkit-early-warning-system]

EWS run on previous version of this PR (hash c7ed0bc)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🧪 gtk-wk2
	✅ 🧪 api-ios	✅ 🧪 mac-wk2	❌ 🧪 api-gtk
	✅ 🛠 tv	✅ 🧪 mac-AS-debug-wk2
	✅ 🛠 tv-sim	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on current version of this PR (hash 186626e)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🧪 gtk-wk2
	🧪 api-ios	✅ 🧪 mac-wk2	✅ 🧪 api-gtk
	✅ 🛠 tv	✅ 🧪 mac-AS-debug-wk2
	✅ 🛠 tv-sim	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch
✅ 🛠 🧪 unsafe-merge	✅ 🛠 watch-sim

[webkit-commit-queue]

Committed 264178@main (9a31af7): https://commits.webkit.org/264178@main

Reviewed commits have been landed. Closing PR #13889 and removing active labels.