David Rajchenbach-Teller 1149491997 Bug 1219145 - nsRefreshDriver::IsJankCritical(). r=hiro
To refine its alerts, Performance Stats API needs to be able to know whether a long-running operation is actually causing user-visible jank in the current process. This patch introduces a trivial API that lets clients ask the refresh driver whether any kind of animation is ongoing.

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extra : transplant_source : %81W%81%C9%84H%8E%D4%0A%A8%10E%06%A5%10%60%9A3%2Ch
2015-10-30 14:35:46 +01:00
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2015-11-24 16:33:15 -08:00