Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9a9be848b4e3097378c910994948caeeb5c51ee8
      
https://github.com/WebKit/WebKit/commit/9a9be848b4e3097378c910994948caeeb5c51ee8
  Author: Said Abou-Hallawa <[email protected]>
  Date:   2026-01-29 (Thu, 29 Jan 2026)

  Changed paths:
    A 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-dynamic-expected.html
    A 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-dynamic.html
    A 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-initial-expected.html
    A 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-initial.html
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-pseudo/parsing/the-checkmark-pseudo-element.tentative-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/cssom/getComputedStyle-pseudo-checkmark-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select/select-base-appearance-computed-style-expected.txt
    M LayoutTests/platform/gtk/TestExpectations
    M Source/JavaScriptCore/inspector/protocol/CSS.json
    M Source/WebCore/animation/WebAnimationUtilities.cpp
    M Source/WebCore/css/CSSPseudoSelectors.json
    M Source/WebCore/css/CSSSelector.cpp
    M Source/WebCore/cssjit/SelectorCompiler.cpp
    M Source/WebCore/html/HTMLInputElement.cpp
    M Source/WebCore/inspector/agents/InspectorCSSAgent.cpp
    M Source/WebCore/rendering/style/RenderStyleConstants.cpp
    M Source/WebCore/rendering/style/RenderStyleConstants.h
    M Source/WebCore/rendering/updating/RenderTreeBuilder.cpp
    M Source/WebCore/rendering/updating/RenderTreeBuilderFormControls.cpp
    M Source/WebCore/rendering/updating/RenderTreeBuilderFormControls.h
    M Source/WebCore/style/StyleTreeResolver.cpp
    M Source/WebCore/style/computed/StyleComputedStyleBase.h
    M Source/WebInspectorUI/UserInterface/Controllers/CSSManager.js

  Log Message:
  -----------
  [appearance: base] Reland the pseudo element ::checkmark
https://bugs.webkit.org/show_bug.cgi?id=305600
rdar://168599248

Reviewed by Tim Nguyen and Antti Koivisto.

Reland 304095@main and 304390@main after:

1. Fixing RenderStyle size by removing the double CheckedPtr counters 
305612@main.
2. Freeing some bits in NonInheritedFlags 306352@main

So adding new ::checkmark pseudo element type should not increase RenderStyle 
size.

* 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-dynamic-expected.html:
 Added.
* 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-dynamic.html:
 Added.
* 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-initial-expected.html:
 Added.
* 
LayoutTests/fast/forms/appearance-base/appearance-base-checkable-checkmark-initial.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-pseudo/parsing/the-checkmark-pseudo-element.tentative-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/cssom/getComputedStyle-pseudo-checkmark-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select/select-base-appearance-computed-style-expected.txt:
* LayoutTests/platform/gtk/TestExpectations:
* Source/JavaScriptCore/inspector/protocol/CSS.json:
* Source/WebCore/animation/WebAnimationUtilities.cpp:
(WebCore::compareStyleOriginatedAnimationOwningElementPositionsInDocumentTreeOrder):
(WebCore::pseudoElementIdentifierAsString):
* Source/WebCore/css/CSSPseudoSelectors.json:
* Source/WebCore/css/CSSSelector.cpp:
(WebCore::CSSSelector::stylePseudoElementTypeFor):
* Source/WebCore/cssjit/SelectorCompiler.cpp:
(WebCore::SelectorCompiler::constructFragmentsInternal):
* Source/WebCore/html/HTMLInputElement.cpp:
(WebCore::HTMLInputElement::setChecked):
* Source/WebCore/inspector/agents/InspectorCSSAgent.cpp:
(WebCore::InspectorCSSAgent::protocolValueForPseudoElementType):
* Source/WebCore/rendering/style/RenderStyleConstants.cpp:
(WebCore::operator<<):
* Source/WebCore/rendering/style/RenderStyleConstants.h:
* Source/WebCore/rendering/updating/RenderTreeBuilder.cpp:
(WebCore::RenderTreeBuilder::updateAfterDescendants):
* Source/WebCore/rendering/updating/RenderTreeBuilderFormControls.cpp:
(WebCore::RenderTreeBuilder::FormControls::updateAfterDescendants):
(WebCore::RenderTreeBuilder::FormControls::updateCheckmark):
* Source/WebCore/rendering/updating/RenderTreeBuilderFormControls.h:
* Source/WebCore/style/StyleTreeResolver.cpp:
(WebCore::Style::TreeResolver::resolveElement):
* Source/WebCore/style/computed/StyleComputedStyleBase.h:
* Source/WebInspectorUI/UserInterface/Controllers/CSSManager.js:
(WI.CSSManager.displayNameForPseudoId):

Canonical link: https://commits.webkit.org/306440@main



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