[webkit-changes] [WebKit/WebKit] f6f2c9: Tear down child renderers when removing display: c...

[Rob Buis]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f6f2c95eb900fce4967fbfb6586416363eb4fe7e
      https://github.com/WebKit/WebKit/commit/f6f2c95eb900fce4967fbfb6586416363eb4fe7e
  Author: Rob Buis <rbuis at igalia.com>
  Date:   2022-10-14 (Fri, 14 Oct 2022)

  Changed paths:
    M Source/WebCore/dom/Element.cpp
    M Source/WebCore/dom/Element.h
    M Source/WebCore/rendering/updating/RenderTreeUpdater.cpp

  Log Message:
  -----------
  Tear down child renderers when removing display: contents
https://bugs.webkit.org/show_bug.cgi?id=246450
rdar://95570441

Reviewed by Antti Koivisto.

Detect when we transition away from display: contents when
resolving computed styles and tear down child renderers in
that case. To keep track of when to do this add a flag
to Element.

* Source/WebCore/dom/Element.cpp:
(WebCore::Element::resolveComputedStyle):
* Source/WebCore/dom/Element.h:
(WebCore::Element::displayContentsChanged const):
(WebCore::Element::setDisplayContentsChanged):
* Source/WebCore/rendering/updating/RenderTreeUpdater.cpp:
(WebCore::RenderTreeUpdater::updateElementRenderer):

Canonical link: https://commits.webkit.org/255527@main