NEW 192448
DisplayRefreshMonitor should have a timer fallback 
https://bugs.webkit.org/show_bug.cgi?id=192448
Summary DisplayRefreshMonitor should have a timer fallback
Ryosuke Niwa
Reported 2018-12-05 19:34:29 PST
When WebView is off-screen, [NSWindow screen] is nil. In those cases, DisplayRefreshMonitor should fallback to using a timer.
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Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2018-12-05 19:39:27 PST
Also DRT/WTR always have offscreen windows, so we never test real rAF. We should fake the screen somehow.
Radar WebKit Bug Importer
Comment 2 2018-12-05 20:03:32 PST
<rdar://problem/46510554>
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