[Webkit-unassigned] [Bug 192290] PSON-launched web processes never get windowScreenDidChange, so have no displayID

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=192290

Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cdumez at apple.com,
                   |                            |pvollan at apple.com,
                   |                            |rniwa at webkit.org,
                   |                            |simon.fraser at apple.com

--- Comment #1 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
Actually log in DocumentAnimationScheduler::createDisplayRefreshMonitor(), where we pas s in a displayID of 0. This zero displayID gets to the UI process, where we call CVDisplayLinkCreateWithCGDisplay(, 0), which seems to work, but I guess it defaults to the main display.

Per Arne, we need better protection against silent failures in this DisplayRefreshMonitor code.

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