[webkit-changes] [WebKit/WebKit] a3a7fc: Improve launch time of WebKit processes, v3

[Per Arne Vollan]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: a3a7fc6aa22d8d49e6fe859cd1c49cfcbc781101
      https://github.com/WebKit/WebKit/commit/a3a7fc6aa22d8d49e6fe859cd1c49cfcbc781101
  Author: Per Arne Vollan <pvollan at apple.com>
  Date:   2023-11-01 (Wed, 01 Nov 2023)

  Changed paths:
    M Source/WTF/wtf/PlatformUse.h
    M Source/WebKit/Configurations/BaseExtension.xcconfig
    M Source/WebKit/Platform/spi/Cocoa/ExtensionKitSPI.h
    M Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp
    M Source/WebKit/UIProcess/AuxiliaryProcessProxy.h
    M Source/WebKit/UIProcess/Cocoa/AuxiliaryProcessProxyCocoa.mm
    M Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm
    M Source/WebKit/UIProcess/Launcher/ProcessLauncher.h
    M Source/WebKit/UIProcess/Launcher/cocoa/ProcessLauncherCocoa.mm
    M Source/WebKit/UIProcess/WebProcessProxy.cpp
    M Source/WebKit/WebKit.xcodeproj/project.pbxproj

  Log Message:
  -----------
  Improve launch time of WebKit processes, v3
https://bugs.webkit.org/show_bug.cgi?id=263412
rdar://117226931

Reviewed by Brent Fulgham.

Enable code for ExtensionKit based launch of WebKit processes on iOS, which is a speedup in process
launch time. This patch checks a defaults setting for launching as extensions. This setting is off
by default.

* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WTF/wtf/PlatformUse.h:
* Source/WebKit/Configurations/BaseExtension.xcconfig:
* Source/WebKit/WebKit.xcodeproj/project.pbxproj:
* Source/WebKit/Platform/spi/Cocoa/ExtensionKitSPI.h:
* Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp:
* Source/WebKit/UIProcess/AuxiliaryProcessProxy.h:
(WebKit::AuxiliaryProcessProxy::setManageProcessesAsExtensions):
(WebKit::AuxiliaryProcessProxy::setLaunchAsExtensions): Deleted.
* Source/WebKit/UIProcess/Cocoa/AuxiliaryProcessProxyCocoa.mm:
(WebKit::AuxiliaryProcessProxy::extensionProcess const):
(WebKit::AuxiliaryProcessProxy::platformGetLaunchOptions):
(WebKit::AuxiliaryProcessProxy::extensionProcess): Deleted.
* Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm:
(WebKit::WebProcessPool::platformInitialize):
* Source/WebKit/UIProcess/Launcher/cocoa/ProcessLauncherCocoa.mm:
(WebKit::ProcessLauncher::launchProcess):

Canonical link: https://commits.webkit.org/270065@main