[webkit-changes] [WebKit/WebKit] ef40e4: Unreviewed, reverting 265184 at main.

[Commit Queue]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ef40e4794b038e3b8309db9df91a00989e6b03db
      https://github.com/WebKit/WebKit/commit/ef40e4794b038e3b8309db9df91a00989e6b03db
  Author: Commit Queue <commit-queue at webkit.org>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M LayoutTests/compositing/iframes/page-cache-layer-tree-expected.txt
    M LayoutTests/compositing/layer-creation/clipping-scope/nested-scroller-overlap-expected.txt
    M LayoutTests/compositing/scrolling/async-overflow-scrolling/nested-scrollers-backing-attachment-expected.txt
    M LayoutTests/fast/repaint/background-attachment-fixed-in-composited-scroll-expected.txt
    M LayoutTests/fast/repaint/background-attachment-fixed-in-composited-scroll.html
    M LayoutTests/platform/ios-wk2/compositing/iframes/page-cache-layer-tree-expected.txt
    M LayoutTests/platform/ios-wk2/compositing/layer-creation/clipping-scope/nested-scroller-overlap-expected.txt
    M LayoutTests/platform/ios-wk2/compositing/scrolling/async-overflow-scrolling/nested-scrollers-backing-attachment-expected.txt
    M LayoutTests/platform/ios-wk2/scrollingcoordinator/scrolling-tree/absolute-in-nested-overflow-scroll-expected.txt
    M LayoutTests/scrollingcoordinator/scrolling-tree/absolute-in-nested-overflow-scroll-expected.txt
    M Source/WebCore/rendering/RenderLayerCompositor.cpp
    M Source/WebCore/rendering/RenderLayerCompositor.h
    A resources/js-wrapper.png
    A resources/webkit2-process-architecture.png
    A resources/xcode-add-file.png
    A resources/xcode-build-settings-for-run.png
    A resources/xcode-export-header.png
    A resources/xcode-scheme-dumprendertree.png
    A resources/xcode-scheme-layout-test.png
    A resources/xcode-workspace-build-location.png
    A resources/xcode-workspace-settings.png

  Log Message:
  -----------
  Unreviewed, reverting 265184 at main.
https://bugs.webkit.org/show_bug.cgi?id=258172

Suspected to cause a regression in Speedometer 3 performance

Reverted changeset:

"Allow multiple providers in a backing sharing sequence"
https://bugs.webkit.org/show_bug.cgi?id=258071
https://commits.webkit.org/265184@main

Canonical link: https://commits.webkit.org/265215@main