[webkit-changes] [WebKit/WebKit] 4ab7e5: [cssom-view] Root element with `content-visibility...

[Tim Nguyen]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4ab7e598dff32df7c6ed36ea81cbb2945a3d966f
      https://github.com/WebKit/WebKit/commit/4ab7e598dff32df7c6ed36ea81cbb2945a3d966f
  Author: Tim Nguyen <ntim at apple.com>
  Date:   2023-10-27 (Fri, 27 Oct 2023)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/css/cssom-view/checkVisibility-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/cssom-view/checkVisibility.html
    M Source/WebCore/dom/Element.cpp

  Log Message:
  -----------
  [cssom-view] Root element with `content-visibility: hidden` should be considered visible by `checkVisibility`
https://bugs.webkit.org/show_bug.cgi?id=263765
rdar://117570564

Reviewed by Simon Fraser.

An element with `content-visibility: hidden` only has its contents hidden. It is not itself hidden, since it has a size and can have a background/border.

* LayoutTests/imported/w3c/web-platform-tests/css/cssom-view/checkVisibility-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/cssom-view/checkVisibility.html:
* Source/WebCore/dom/Element.cpp:
(WebCore::Element::checkVisibility):

Canonical link: https://commits.webkit.org/269860@main