[Webkit-unassigned] [Bug 221698] REGRESSION (r272603): http/tests/media/modern-media-controls/time-control/10-hours-or-more.html is flakey timing out and flakey crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221698

--- Comment #4 from Alex Christensen <achristensen at apple.com> ---
This ended up having two causes: a race condition between the state change in WebCoreNSURLSession's cancel method allowing a double removal of a task, and the state machine in TaskData not having enough states to reflect 3 states of having generated a response: before a response is generated, after a response is generated but before the WebCoreNSURLSession calls the CompletionHandler, and after a response is received.  I fixed both in the latest iteration, and before it could rarely survive 100 iterations on this test and now it can survive 1000.

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