Ian Park c3b3eb7f73 Fix bug in comparison logic of object property (#22348)
Summary:
`instance.hasOwnProperty` has potential danger because of some object could be eliminate own prototype chain. Update code be more reliable.

This PR is solution of #22308 issue. (Fixes #22308)
Pull Request resolved: https://github.com/facebook/react-native/pull/22348

Differential Revision: D13334882

Pulled By: cpojer

fbshipit-source-id: 9b9310a972e933af1962666d7b0c683ff43cc5b2
2018-12-04 19:25:11 -08:00
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