RESOLVED FIXED316226
[Site Isolation] Remove unnecessary frameID and WebFrame changes from 314363@main 
https://bugs.webkit.org/show_bug.cgi?id=316226
Summary [Site Isolation] Remove unnecessary frameID and WebFrame changes from 314363@...
roberto_rodriguez2
Reported 2026-06-03 12:13:50 PDT
314363@main introduced changes to fix layout test window-open-local-after-network-scheme.sub.html under site isolation. The !m_shouldReuseMainFrame removal in ProvisionalPageProxy and the coreLocalFrame() change in WebFrame::commitProvisionalFrame are not needed. The CommitTiming::Immediately fix handles the about:blank case on its own: the second takeWindowProxyAndOpenerFrom in commitProvisionalFrame transfers the WindowProxy from remoteFrame to localFrame unconditionally, and when the frame ID is non-null it is always a different frame, so the original coreFrame() code was already correct.
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Radar WebKit Bug Importer
Comment 1 2026-06-03 12:13:56 PDT
<rdar://problem/178649065>
roberto_rodriguez2
Comment 2 2026-06-03 12:17:04 PDT
Pull request: https://github.com/WebKit/WebKit/pull/66394
EWS
Comment 3 2026-06-03 18:06:30 PDT
Committed 314515@main (d176a27fbd87): <https://commits.webkit.org/314515@main> Reviewed commits have been landed. Closing PR #66394 and removing active labels.
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