[webkit-changes] [WebKit/WebKit] 8de179: Fix occasional assertion in EventHandler::clearLat...

[Alex Christensen]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 8de179e4f86936fd45dded8c3598ff1db65e7467
      https://github.com/WebKit/WebKit/commit/8de179e4f86936fd45dded8c3598ff1db65e7467
  Author: Alex Christensen <achristensen at apple.com>
  Date:   2023-12-21 (Thu, 21 Dec 2023)

  Changed paths:
    M Source/WebCore/page/EventHandler.cpp

  Log Message:
  -----------
  Fix occasional assertion in EventHandler::clearLatchedState since 269712 at main
https://bugs.webkit.org/show_bug.cgi?id=266781
rdar://120009522

Reviewed by Chris Dumez.

This fixes assertions like this:

ASSERTION FAILED: !m_deletionHasBegun
...
WTF::ThreadSafeRefCountedBase::ref() const
...
WebCore::EventHandler::protectedFrame() const
WebCore::EventHandler::clearLatchedState()
WebCore::EventHandler::clear()
WebCore::LocalFrame::setView(WTF::RefPtr<...>&&)
WebCore::LocalFrame::~LocalFrame()

* Source/WebCore/page/EventHandler.cpp:
(WebCore::EventHandler::clearLatchedState):

Canonical link: https://commits.webkit.org/272430@main