Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: fad2fe0380aede5f63d5b9342eba8a1ffa9a2ad4
      
https://github.com/WebKit/WebKit/commit/fad2fe0380aede5f63d5b9342eba8a1ffa9a2ad4
  Author: Per Arne Vollan <[email protected]>
  Date:   2026-05-21 (Thu, 21 May 2026)

  Changed paths:
    M Source/WebCore/platform/ios/PlatformScreenIOS.mm
    M Source/WebKit/Shared/WebProcessCreationParameters.h
    M Source/WebKit/Shared/WebProcessCreationParameters.serialization.in
    M Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm
    M Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm

  Log Message:
  -----------
  Improve startup time of WebContent process
https://bugs.webkit.org/show_bug.cgi?id=315239
rdar://172997442

Reviewed by Chris Dumez.

This patch removes a call to MTShouldPlayHDRVideo on unsupported platforms.
It also avoids determining if the MobileGestalt cache is valid on the main
thread. Lastly, it doesn't create a sandbox extension to the MobileGestalt
service for the WebContent process, since the sandbox is blocking this
service.

* Source/WebCore/platform/ios/PlatformScreenIOS.mm:
(WebCore::screenSupportsHighDynamicRange):
* Source/WebKit/Shared/WebProcessCreationParameters.h:
* Source/WebKit/Shared/WebProcessCreationParameters.serialization.in:
* Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm:
(WebKit::WebProcessPool::platformInitialize):
(WebKit::WebProcessPool::platformInitializeWebProcess):
* Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm:
(WebKit::WebProcess::accessibilityFocusedUIElement):

Canonical link: https://commits.webkit.org/313695@main



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