[webkit-changes] [WebKit/WebKit] 14e104: REGRESSION (Safari 17): Named at-rule container sk...

[Antti Koivisto]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 14e1048a543f74f0bad414db694db43a7116c644
      https://github.com/WebKit/WebKit/commit/14e1048a543f74f0bad414db694db43a7116c644
  Author: Antti Koivisto <antti at apple.com>
  Date:   2024-02-02 (Fri, 02 Feb 2024)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/css/css-contain/container-queries/container-name-tree-scoped-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-contain/container-queries/container-name-tree-scoped.html
    M Source/WebCore/style/ContainerQueryEvaluator.cpp

  Log Message:
  -----------
  REGRESSION (Safari 17): Named at-rule container skipped when container named in a :host selector
https://bugs.webkit.org/show_bug.cgi?id=267046
rdar://120428386

Reviewed by Alan Baradlay.

* LayoutTests/imported/w3c/web-platform-tests/css/css-contain/container-queries/container-name-tree-scoped-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-contain/container-queries/container-name-tree-scoped.html:
* Source/WebCore/style/ContainerQueryEvaluator.cpp:
(WebCore::Style::ContainerQueryEvaluator::selectContainer):

A container query should be allowed to match a host element with container name that defined by :host rule in the same shadow tree as the query.

Canonical link: https://commits.webkit.org/273987@main