Fix CSSStyleValue.parse() / parseAll() for shorthand CSS properties

[cdumez]

fd2b5bf

Fix CSSStyleValue.parse() / parseAll() for shorthand CSS properties
https://bugs.webkit.org/show_bug.cgi?id=247205

Reviewed by Antti Koivisto.

Fix CSSStyleValue.parse() / parseAll() for shorthand CSS properties:
- https://drafts.css-houdini.org/css-typed-om/#dom-cssstylevalue-parse
- https://drafts.css-houdini.org/css-typed-om/#dom-cssstylevalue-parseall

* LayoutTests/imported/w3c/web-platform-tests/css/css-typed-om/stylevalue-objects/parse.html:
* LayoutTests/imported/w3c/web-platform-tests/css/css-typed-om/stylevalue-objects/parseAll-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-typed-om/stylevalue-objects/parseAll.html:
* LayoutTests/imported/w3c/web-platform-tests/css/css-typed-om/stylevalue-serialization/cssStyleValue-string-expected.txt:
* Source/WebCore/css/typedom/CSSStyleValueFactory.cpp:
(WebCore::CSSStyleValueFactory::extractShorthandCSSValues):
(WebCore::CSSStyleValueFactory::parseStyleValue):
* Source/WebCore/css/typedom/CSSStyleValueFactory.h:
* Source/WebCore/css/typedom/MainThreadStylePropertyMapReadOnly.cpp:
(WebCore::MainThreadStylePropertyMapReadOnly::shorthandPropertyValue const):

Canonical link: https://commits.webkit.org/256228@main

2fbb312

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

[webkit-early-warning-system]

EWS run on current version of this PR (hash 2fbb312)

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

[cdumez]

Patch is ready for review.

[webkit-commit-queue]

Committed 256228@main (fd2b5bf): https://commits.webkit.org/256228@main

Reviewed commits have been landed. Closing PR #5917 and removing active labels.