[webkit-changes] [WebKit/WebKit] c13c03: Get rid of unnecessary layouts on body elements wi...

[Ahmad Saleem]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c13c03bc9729c266b3458fceb995c064764f2b90
      https://github.com/WebKit/WebKit/commit/c13c03bc9729c266b3458fceb995c064764f2b90
  Author: Ahmad Saleem <ahmad.saleem792+github at gmail.com>
  Date:   2023-03-03 (Fri, 03 Mar 2023)

  Changed paths:
    M Source/WebCore/rendering/RenderBlockFlow.cpp

  Log Message:
  -----------
  Get rid of unnecessary layouts on body elements with quirky children

https://bugs.webkit.org/show_bug.cgi?id=253203

Reviewed by Alan Baradlay.

Merge - https://src.chromium.org/viewvc/blink?revision=169790&view=revision

RenderBlockFlow::marginBeforeEstimateForChild() was checking the wrong
margin when detecting quirky children. The performance test added by
this patch times out without the change in this patch - obviously a
pathological case.

* Source/WebCore/rendering/RenderBlockFlow.cpp:
(RenderBlockFlow::marginBeforeEstimateForChild): Change 'hasMarginAfterQuirk' to 'hasMarginBeforeQuirk'

Canonical link: https://commits.webkit.org/261134@main