Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 0fb43e3086742cde9ab118f669c8c9ba28ee0790
      
https://github.com/WebKit/WebKit/commit/0fb43e3086742cde9ab118f669c8c9ba28ee0790
  Author: Sam Weinig <[email protected]>
  Date:   2025-06-17 (Tue, 17 Jun 2025)

  Changed paths:
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/registered-property-computation.html
    M Source/WebCore/Sources.txt
    M Source/WebCore/WebCore.xcodeproj/project.pbxproj
    M Source/WebCore/css/values/color/CSSAbsoluteColor.h
    R Source/WebCore/css/values/color/CSSAbsoluteColorSerialization.h
    M Source/WebCore/css/values/color/CSSColorLayers.cpp
    R Source/WebCore/css/values/color/CSSColorLayersSerialization.h
    M Source/WebCore/css/values/color/CSSColorMix.cpp
    R Source/WebCore/css/values/color/CSSColorMixSerialization.cpp
    R Source/WebCore/css/values/color/CSSColorMixSerialization.h
    M Source/WebCore/css/values/color/CSSContrastColor.cpp
    R Source/WebCore/css/values/color/CSSContrastColorSerialization.h
    M Source/WebCore/css/values/color/CSSRelativeColor.h
    R Source/WebCore/css/values/color/CSSRelativeColorSerialization.h
    M Source/WebCore/style/StyleCustomProperty.cpp
    M Source/WebCore/style/values/color/StyleColor.cpp
    M Source/WebCore/style/values/color/StyleColor.h
    M Source/WebCore/style/values/color/StyleColorLayers.cpp
    M Source/WebCore/style/values/color/StyleColorLayers.h
    M Source/WebCore/style/values/color/StyleColorMix.cpp
    M Source/WebCore/style/values/color/StyleColorMix.h
    M Source/WebCore/style/values/color/StyleContrastColor.cpp
    M Source/WebCore/style/values/color/StyleContrastColor.h
    M Source/WebCore/style/values/color/StyleCurrentColor.cpp
    M Source/WebCore/style/values/color/StyleCurrentColor.h
    M Source/WebCore/style/values/color/StyleRelativeColor.h
    M Source/WebCore/style/values/color/StyleResolvedColor.cpp
    M Source/WebCore/style/values/color/StyleResolvedColor.h

  Log Message:
  -----------
  Update serialization of <color> custom properties to used value
https://bugs.webkit.org/show_bug.cgi?id=294504

Reviewed by Darin Adler and Tim Nguyen.

In https://github.com/w3c/csswg-drafts/issues/10371 it was resolved that:

```
RESOLVED: <color> values returned by getComputedStyle() on standard CSS 
properties or registered custom properties is the used value
```

By updating the implementation to match, we are able to remove quite a
lot of extra code in place only to serialize the computed color value,
including removing generic serialization for a few color types.

* 
LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/registered-property-computation.html:
    - Update test for used value results. Set `color` property so that 
currentcolor tests are actually doing something.

* Source/WebCore/style/StyleCustomProperty.cpp:
    - Update to go through normal serialization path which takes a RenderStyle
      for computing the used color value.

* Source/WebCore/Sources.txt:
* Source/WebCore/WebCore.xcodeproj/project.pbxproj:
* Source/WebCore/css/values/color/CSSAbsoluteColor.h:
* Source/WebCore/css/values/color/CSSAbsoluteColorSerialization.h: Removed.
* Source/WebCore/css/values/color/CSSColorLayers.cpp:
* Source/WebCore/css/values/color/CSSColorLayersSerialization.h: Removed.
* Source/WebCore/css/values/color/CSSColorMix.cpp:
* Source/WebCore/css/values/color/CSSColorMixSerialization.cpp: Removed.
* Source/WebCore/css/values/color/CSSColorMixSerialization.h: Removed.
* Source/WebCore/css/values/color/CSSContrastColor.cpp:
* Source/WebCore/css/values/color/CSSContrastColorSerialization.h: Removed.
* Source/WebCore/css/values/color/CSSRelativeColor.h:
* Source/WebCore/css/values/color/CSSRelativeColorSerialization.h: Removed.
    - Remove now unnecessary generic color type serialization files.

* Source/WebCore/style/values/color/StyleColor.cpp:
* Source/WebCore/style/values/color/StyleColor.h:
* Source/WebCore/style/values/color/StyleColorLayers.cpp:
* Source/WebCore/style/values/color/StyleColorLayers.h:
* Source/WebCore/style/values/color/StyleColorMix.cpp:
* Source/WebCore/style/values/color/StyleColorMix.h:
* Source/WebCore/style/values/color/StyleContrastColor.cpp:
* Source/WebCore/style/values/color/StyleContrastColor.h:
* Source/WebCore/style/values/color/StyleCurrentColor.cpp:
* Source/WebCore/style/values/color/StyleCurrentColor.h:
* Source/WebCore/style/values/color/StyleRelativeColor.h:
* Source/WebCore/style/values/color/StyleResolvedColor.cpp:
* Source/WebCore/style/values/color/StyleResolvedColor.h:
    - Remove serializationForCSS() overload that does not take a RenderStyle.
    - In a few places, updates the TextStream overloads to contain simplified
      serialization that used to just call serializationForCSS().

Canonical link: https://commits.webkit.org/296337@main



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