[webkit-changes] [WebKit/WebKit] f6cad2: Remove DisplayContentsChanged flag

[Antti Koivisto]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f6cad2b8abe39ea1157c53ec640dab8295e4acc3
      https://github.com/WebKit/WebKit/commit/f6cad2b8abe39ea1157c53ec640dab8295e4acc3
  Author: Antti Koivisto <antti at apple.com>
  Date:   2023-04-25 (Tue, 25 Apr 2023)

  Changed paths:
    M Source/WebCore/dom/ContainerNode.cpp
    M Source/WebCore/dom/Element.cpp
    M Source/WebCore/dom/Element.h
    M Source/WebCore/dom/EventTarget.h
    M Source/WebCore/rendering/updating/RenderTreeUpdater.cpp
    M Source/WebCore/style/StyleTreeResolver.cpp

  Log Message:
  -----------
  Remove DisplayContentsChanged flag
https://bugs.webkit.org/show_bug.cgi?id=254738
rdar://107417124

Reviewed by Ryosuke Niwa.

It is not needed anymore with a separate field in ElementRareData for display:contents style.

* Source/WebCore/dom/ContainerNode.cpp:
(WebCore::hasDisplayContents):
(WebCore::destroyRenderTreeIfNeeded):
(WebCore::mayHaveDisplayContents): Deleted.
* Source/WebCore/dom/Element.cpp:
(WebCore::Element::resolveComputedStyle):
(WebCore::Element::displayContentsChanged const): Deleted.
(WebCore::Element::setDisplayContentsChanged): Deleted.
* Source/WebCore/dom/Element.h:
* Source/WebCore/dom/EventTarget.h:
* Source/WebCore/rendering/updating/RenderTreeUpdater.cpp:
(WebCore::RenderTreeUpdater::updateElementRenderer):
* Source/WebCore/style/StyleTreeResolver.cpp:
(WebCore::Style::affectsRenderedSubtree):

Canonical link: https://commits.webkit.org/263359@main