Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 6ec233675a708b3ac9d0cc463f1dfbb753119501
      
https://github.com/WebKit/WebKit/commit/6ec233675a708b3ac9d0cc463f1dfbb753119501
  Author: Ahmad Saleem <[email protected]>
  Date:   2025-08-14 (Thu, 14 Aug 2025)

  Changed paths:
    M LayoutTests/TestExpectations
    M Source/WebCore/rendering/GridTrackSizingAlgorithm.cpp
    M Source/WebCore/rendering/RenderFlexibleBox.cpp

  Log Message:
  -----------
  Fix automatic min size handling of flex and grid items to match the 
specification
https://bugs.webkit.org/show_bug.cgi?id=297325
rdar://158215991

Reviewed by Sammy Gill.

This patch aligns WebKit with Gecko / Firefox and Blink / Chromium.

Inspired by: https://chromium-review.googlesource.com/c/chromium/src/+/5505559

Both the grid and flex specs mention "scroll container" already, which
means that visible and clip should behave the same:

 * https://drafts.csswg.org/css-grid/#min-size-auto
 * https://drafts.csswg.org/css-flexbox/#min-size-auto

This patch adds `Overflow: Clip` handling relevant functions.

* Source/WebCore/rendering/GridTrackSizingAlgorithm.cpp:
(WebCore::GridTrackSizingAlgorithmStrategy::minContributionForGridItem const):
* Source/WebCore/rendering/RenderFlexibleBox.cpp:
(WebCore::RenderFlexibleBox::shouldApplyMinSizeAutoForFlexItem const):
* LayoutTests/TestExpectations: Progressions

Canonical link: https://commits.webkit.org/298690@main



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