Pieter De Baets 66ce1297c2 Flow-ify and cleanup JSTimers
Reviewed By: davidaurelio

Differential Revision: D3819511

fbshipit-source-id: 849133d013b026c3f95e988664f252bc35c65122
2016-09-06 03:59:01 -07:00
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2016-09-06 03:59:01 -07:00