Valentin Shergin f4da8769a3 Fabric: Coupling Tag inside TargetEventEmitter
Summary: Now instead of passing `reactTag` through the whole event pipeline, we store it inside `EventTargetWrapper` (and it does not leave `UIManagerBinding`). It helps with reducing the complexity of `EventEmitter` and will help us in migrating to JSI.

Reviewed By: sahrens

Differential Revision: D13123045

fbshipit-source-id: aa9ee94d5660ff3090369c1e55cf748d2e72b987
2018-11-27 21:00:55 -08:00
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2018-11-14 09:45:26 -08:00