[Webkit-unassigned] [Bug 222202] twitch.tv: when in fullscreen, WebKit continually does 350ms layouts. Firefox and Chrome do not

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222202

--- Comment #3 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
Created attachment 421081

  --> https://bugs.webkit.org/attachment.cgi?id=421081&action=review

Some logging and render tree dump

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