← WebKit — 2026-W35
a8c31653e18a1227f2140465ef04dc6d2cd1edcc [Site Isolation] Avoid sending per-frame layout info if there are no remote frame processes
not a security fix
confidence 0.25
signal score 6.3
Source/WebCore/dom
Classified as not security-relevant.
Triage note: Replaces settings().siteIsolationEnabled() gating with Page::hasRemoteFrames() backed by a m_remoteFrameCount, and adds RemoteFrame::~RemoteFrame()->detachFromPage() to decrement it. Correctness/efficiency refactor of cross-process sync gating; the dtor cleanup has a lifetime flavor but no memory-safety bug shown.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Triage note: Replaces settings().siteIsolationEnabled() gating with Page::hasRemoteFrames() backed by a m_remoteFrameCount, and adds RemoteFrame::~RemoteFrame()->detachFromPage() to decrement it. Correctness/efficiency refactor of cross-process sync gating; the dtor cleanup has a lifetime flavor but no memory-safety bug shown.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Structural signals: smartptr_member_added (+3.0), area:Source/WebCore/dom (+2.0), surgical (+1.3)
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