Summary:
Related to https://github.com/facebook/react-native/pull/21488
Disclaimer: I made this PR.
I think there's some requestAnimationFrame events that are not cleared on unmount because of bad use of `splice` method.
- All flow tests succeed.
- RNTester: iOS (this change should only affect iOS because calculateChildFrames is iOS only)
Show perf monitor, show ListView* screen, start scrolling. UI frame Rate is used at the beginning. When scrolling there is no drop in FPS rate.
- TODO: I'll write a load test for ListView
[GENERAL] [ENHANCEMENT] [ListView.js] - rm TimerMixin
Pull Request resolved: https://github.com/facebook/react-native/pull/21802
Differential Revision: D10391812
Pulled By: RSNara
fbshipit-source-id: 49f0b0a4641ec29bcb4cc04bd3bafb42b3842b69
70b5eb3aa2