[webkit-changes] [WebKit/WebKit] 7bfa59: Add setting for experimental sandbox changes

[Per Arne Vollan]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7bfa59d3778803c8c9df9c9e912c8bfb0528d562
      https://github.com/WebKit/WebKit/commit/7bfa59d3778803c8c9df9c9e912c8bfb0528d562
  Author: Per Arne Vollan <pvollan at apple.com>
  Date:   2022-10-17 (Mon, 17 Oct 2022)

  Changed paths:
    M Source/WTF/Scripts/Preferences/WebPreferencesInternal.yaml
    M Source/WebKit/Scripts/process-entitlements.sh
    M Source/WebKit/WebProcess/WebPage/WebPage.cpp

  Log Message:
  -----------
  Add setting for experimental sandbox changes
https://bugs.webkit.org/show_bug.cgi?id=246629
rdar://101248059

Reviewed by Geoffrey Garen.

This patch also adds a sandbox state variable for enabling new sandbox features that will be
enabled with a certain probability based on time of boot.

* Source/WTF/Scripts/Preferences/WebPreferencesInternal.yaml:
* Source/WebKit/Scripts/process-entitlements.sh:
* Source/WebKit/WebProcess/WebPage/WebPage.cpp:
(WebKit::m_appHighlightsVisible):

Canonical link: https://commits.webkit.org/255652@main