[webkit-changes] [WebKit/WebKit] ecee8d: Add feature flag for SiteIsolation and use it to b...

[EWS]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ecee8dd7822894d86613add8c46c978387a35367
      https://github.com/WebKit/WebKit/commit/ecee8dd7822894d86613add8c46c978387a35367
  Author: Alex Christensen <achristensen at webkit.org>
  Date:   2022-10-24 (Mon, 24 Oct 2022)

  Changed paths:
    M Source/WTF/Scripts/Preferences/WebPreferencesExperimental.yaml
    M Source/WebKit/UIProcess/WebFrameProxy.cpp
    M Source/WebKit/UIProcess/WebFrameProxy.h
    M Source/WebKit/UIProcess/WebPageProxy.cpp
    M Source/WebKit/UIProcess/WebPageProxy.h
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm
    M Tools/WebKitTestRunner/TestController.cpp

  Log Message:
  -----------
  Add feature flag for SiteIsolation and use it to begin making new process for cross-origin iframes
https://bugs.webkit.org/show_bug.cgi?id=246902

Reviewed by Tim Horton.

* Source/WTF/Scripts/Preferences/WebPreferencesExperimental.yaml:
* Source/WebKit/UIProcess/WebFrameProxy.cpp:
(WebKit::WebFrameProxy::swapToProcess):
* Source/WebKit/UIProcess/WebFrameProxy.h:
* Source/WebKit/UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::receivedNavigationPolicyDecision):
(WebKit::WebPageProxy::continueNavigationInNewProcess):
(WebKit::WebPageProxy::triggerBrowsingContextGroupSwitchForNavigation):
* Source/WebKit/UIProcess/WebPageProxy.h:
* Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm:
(TestWebKitAPI::TEST):

Canonical link: https://commits.webkit.org/255929@main