Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7a4a685cd1e9556f00bc675a4eaaa894511d32e6
      
https://github.com/WebKit/WebKit/commit/7a4a685cd1e9556f00bc675a4eaaa894511d32e6
  Author: Ryosuke Niwa <[email protected]>
  Date:   2025-10-15 (Wed, 15 Oct 2025)

  Changed paths:
    M Source/WebKit/UIProcess/BrowsingContextGroup.cpp
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm

  Log Message:
  -----------
  Enabling shared process for site isolation breaks Speedometer
https://bugs.webkit.org/show_bug.cgi?id=300833

Reviewed by Ben Nham.

Fixed the bug in BrowsingContextGroup::sharedProcessForSite that every website 
will get put
into the shared process unless it's explicitly listed as having had user 
interaction.

Test: TestWebKitAPI.SiteIsolation.SharedProcessSameOrigin
      
TestWebKitAPI.SiteIsolation.SharedProcessLoadIsolatedSiteInSubframeOfNewWindow

* Source/WebKit/UIProcess/BrowsingContextGroup.cpp:
(WebKit::BrowsingContextGroup::sharedProcessForSite):
* Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm:
(TestWebKitAPI::(SiteIsolation, SharedProcessSameOrigin)):
(TestWebKitAPI::(SiteIsolation, 
SharedProcessLoadIsolatedSiteInSubframeOfNewWindow)):
(TestWebKitAPI::(SiteIsolation, 
SharedProcessAfterUserInteractionInSharedProcesss)):

Canonical link: https://commits.webkit.org/301601@main



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