React sync for revisions 8e25ed2...ec6691a

Summary:
This sync includes the following changes:
- **[ec6691a68](facebook/react@ec6691a68 )**: Event API: remove isTargetDirectlyWithinEventComponent (#15546) //<Dominic Gannaway>//
- **[a6e30001f](facebook/react@a6e30001f )**: Delete duplicate Focus.js (#15540) //<Dominic Gannaway>//
- **[f7993d547](facebook/react@f7993d547 )**: Delete duplicate Hover.js (#15539) //<Dominic Gannaway>//
- **[c8ee10037](facebook/react@c8ee10037 )**: Delete duplicate Swipe.js (#15541) //<Dominic Gannaway>//
- **[494716c9b](facebook/react@494716c9b )**: Delete duplicate Drag.js (#15537) //<Dominic Gannaway>//
- **[377846fef](facebook/react@377846fef )**: Delete duplicate Press.js (#15538) //<Dominic Gannaway>//
- **[379515e83](facebook/react@379515e83 )**: Follow up to 15535 (#15536) //<Dominic Gannaway>//
- **[bd88982fb](facebook/react@bd88982fb )**: Event API: use `capture` for all event listeners using experimental responder system (#15526) //<Dominic Gannaway>//
- **[72ca3c60e](facebook/react@72ca3c60e )**: Bump scheduler version to 0.14.0 (#15395) //<Andrew Clark>//
- **[7882c41f6](facebook/react@7882c41f6 )**: Use lowercase entry points for event modules (#15535) //<Andrew Clark>//
- **[43c4e5f34](facebook/react@43c4e5f34 )**: Add method for forcing a lower framerate //<Nathan Schloss>//
- **[1b752f191](facebook/react@1b752f191 )**: Fixed potential interaction tracing leak in Suspense thennable memoization (#15531) //<Brian Vaughn>//
- **[12e5a13cf](facebook/react@12e5a13cf )**: [React Native] Inline calls to FabricUIManager in shared code (#15490) //<Eli White>//
- **[2cca18728](facebook/react@2cca18728 )**: React Events: add onFocusVisibleChange to Focus (#15516) //<Nicolas Gallagher>//
- **[cc5a49379](facebook/react@cc5a49379 )**: React Events: FocusScope tweaks and docs (#15515) //<Nicolas Gallagher>//
- **[796c67a25](facebook/react@796c67a25 )**: Event API: responder event types should not re-register on EventComponent update (#15514) //<Dominic Gannaway>//
- **[c4d1dcb53](facebook/react@c4d1dcb53 )**: React Events: core API documentation followup (#15506) //<Dominic Gannaway>//
- **[41ef1961c](facebook/react@41ef1961c )**: Update TopLevelEventTypes.js (#15511) //<Dan Nate>//
- **[7a482af5d](facebook/react@7a482af5d )**: Event API: Fix bug where Press root events were not being cleared (#15507) //<Dominic Gannaway>//
- **[a14e24efa](facebook/react@a14e24efa )**: React Events: core API documentation (#15505) //<Nicolas Gallagher>//
- **[8658611b6](facebook/react@8658611b6 )**: Event API: ensure event keys are unique + add validation (#15501) //<Dominic Gannaway>//
- **[d9839740e](facebook/react@d9839740e )**: React events: remove unused types (#15503) //<Nicolas Gallagher>//
- **[0b3431170](facebook/react@0b3431170 )**: React events: fix press end event dispatching (#15500) //<Nicolas Gallagher>//
- **[d1f667acc](facebook/react@d1f667acc )**: Event API: follow up fixes for FocusScope + context changes (#15496) //<Dominic Gannaway>//
- **[c530639dd](facebook/react@c530639dd )**: Minor code structure adjustments to the bundles.js file (#15079) //<Kunuk Nykjær>//
- **[ed36df46c](facebook/react@ed36df46c )**: add --watch mode to "yarn build" (#15116) //<Alec Larson>//
- **[793ef9b85](facebook/react@793ef9b85 )**: test(eslint-plugin-react-hooks): add coverage for unused custom hook (#15130) //<Redmond Tran>//
- **[d61da9387](facebook/react@d61da9387 )**: test(accumulate): add test suite for accumulate function (#15159) //<Jeffrey Berry>//
- **[a187e9b5e](facebook/react@a187e9b5e )**: React Native: Allow Views to be nested inside of Text (#15464) //<Adam Comella>//
- **[f85aadefc](facebook/react@f85aadefc )**: ADD: disablePictureInPicture attribute for HTML5 videos (#15334) //<Radu-Sebastian Amarie>//
- **[1eb2b892d](facebook/react@1eb2b892d )**: give  `canUseDOM` with a possibility to be a constant (#14194) //<FUJI Goro>//
- **[de26d6dd3](facebook/react@de26d6dd3 )**: typo fix (#15493) //<shubham>//
- **[64e3da286](facebook/react@64e3da286 )**: Event API: Add `FocusScope` surface (#15487) //<Dominic Gannaway>//
- **[3f058debc](facebook/react@3f058debc )**: Event API: various bug fixes (#15485) //<Dominic Gannaway>//
- **[fb28e9048](facebook/react@fb28e9048 )**: Add missing word to code comment for clarity (#15443) //<Brendan McLoughlin>//
- **[fa2fa3564](facebook/react@fa2fa3564 )**: Experimental event API: adds context.isTargetDirectlyWithinEventComponent (#15481) //<Dominic Gannaway>//
- **[d3af2f2a5](facebook/react@d3af2f2a5 )**: Experimental Event API: add event component mount phase callback (#15480) //<Dominic Gannaway>//
- **[ce126fbb2](facebook/react@ce126fbb2 )**: Fix priority inference of next level of work (#15478) //<Andrew Clark>//
- **[71c8759ce](facebook/react@71c8759ce )**: Measure callback timeout relative to current time (#15479) //<Andrew Clark>//
- **[9c6ff136c](facebook/react@9c6ff136c )**: Remove timeout from performance flamegraph (#15477) //<Andrew Clark>//
- **[299a2714c](facebook/react@299a2714c )**: Use stricter equality check (#15474) //<Dan Abramov>//
- **[017d6f14b](facebook/react@017d6f14b )**: Experimental Event API: add `rootEventTypes` support to event responders (#15475) //<Dominic Gannaway>//
- **[784ebd8fa](facebook/react@784ebd8fa )**: Experimental event API: rework the propagation system for event components (#15462) //<Dominic Gannaway>//
- **[587676900](facebook/react@587676900 )**: React events: initial implementation of disabled prop (#15458) //<Nicolas Gallagher>//
- **[59c7aef91](facebook/react@59c7aef91 )**: React events: add a test for focusable descendants (#15457) //<Nicolas Gallagher>//
- **[0a8da3391](facebook/react@0a8da3391 )**: React events: README update types and remove stopPropagation prop (#15456) //<Nicolas Gallagher>//
- **[d584fcdc6](facebook/react@d584fcdc6 )**: React events: use passive events where possible (#15454) //<Nicolas Gallagher>//
- **[051513bfa](facebook/react@051513bfa )**: React Events: consolidate logic for Press event component (#15451) //<Nicolas Gallagher>//
- **[cdfce1ad2](facebook/react@cdfce1ad2 )**: React events: consolidate logic of Hover event component (#15450) //<Nicolas Gallagher>//
- **[5857c89da](facebook/react@5857c89da )**: React events: extract common helper functions (#15449) //<Nicolas Gallagher>//
- **[0b50fb29f](facebook/react@0b50fb29f )**: Include rootEventTypes in DOMEventResponderSystem stopPropagation tests (#15433) //<Nicolas Gallagher>//
- **[1ae409d2c](facebook/react@1ae409d2c )**: React events: fix nested Hover components error (#15428) //<Nicolas Gallagher>//
- **[c73ab39c1](facebook/react@c73ab39c1 )**: React events: make nested Focus work as expected (#15421) //<Nicolas Gallagher>//
- **[4221565e1](facebook/react@4221565e1 )**: Cancel pending commit before starting on root //<Andrew Clark>//
- **[9ebe1768a](facebook/react@9ebe1768a )**: Experimental Event API: Redesign event responder propagation (#15408) //<Dominic Gannaway>//
- **[a30e7d992](facebook/react@a30e7d992 )**: act() tests - Reuse and properly unmount containers (#14974) //<Philipp Spiess>//
- **[8cf963c6c](facebook/react@8cf963c6c )**: React events: ignore device buttons that aren't for primary interactions (#15402) //<Nicolas Gallagher>//
- **[38bd570d4](facebook/react@38bd570d4 )**: Stop tracking bundle sizes (#15404) //<Andrew Clark>//
- **[3438e5ce8](facebook/react@3438e5ce8 )**: Experimental Event API: Add Hover onUnmount support (#15394) //<Dominic Gannaway>//
- **[805e7f873](facebook/react@805e7f873 )**: React events: add unmounting to Focus (#15396) //<Nicolas Gallagher>//
- **[543353a04](facebook/react@543353a04 )**: Experimental Event API: Remove "listener" from event objects (#15391) //<Dominic Gannaway>//
- **[9055e31e5](facebook/react@9055e31e5 )**: Replace old Fiber Scheduler with new one (#15387) //<Andrew Clark>//
- **[4e59d4f5d](facebook/react@4e59d4f5d )**: React events: add onHoverMove support (#15388) //<Nicolas Gallagher>//
- **[de7590327](facebook/react@de7590327 )**: Fix CI (#15393) //<Andrew Clark>//
- **[687e4fb6f](facebook/react@687e4fb6f )**: Bump scheduler version to 0.14.0 //<Andrew Clark>//
- **[45473c94c](facebook/react@45473c94c )**: React events: Press event fixes (#15386) //<Nicolas Gallagher>//
- **[9672cf621](facebook/react@9672cf621 )**: Experimental Event API: adds `stopPropagation` by default to Press (#15384) //<Dominic Gannaway>//
- **[a9eff329c](facebook/react@a9eff329c )**: Remove TouchHitTarget SSR logic to prevent issues with mouse events (#15381) //<Dominic Gannaway>//
- **[c9841001b](facebook/react@c9841001b )**: Experimental Event API: preventDefault handling for anchors (#15383) //<Dominic Gannaway>//
- **[c25c59c80](facebook/react@c25c59c80 )**: Apply the Just Noticeable Difference to suspense timeouts (#15367) //<Sebastian Markbåge>//
- **[3e2e930d6](facebook/react@3e2e930d6 )**: Fixes a Flow type merge conflict (#15378) //<Dominic Gannaway>//
- **[7fc91f17c](facebook/react@7fc91f17c )**: React events: add onPressMove and pressRetentionOffset to Press (#15374) //<Nicolas Gallagher>//
- **[dd9cef9fc](facebook/react@dd9cef9fc )**: Experimental Event API: Add targets and responder utility method for finding targets (#15372) //<Dominic Gannaway>//
- **[c64b33003](facebook/react@c64b33003 )**: Move EventTypes to ReactTypes (#15364) //<Dominic Gannaway>//
- **[4c78ac0b9](facebook/react@4c78ac0b9 )**: Track Event Time as the Start Time for Suspense (#15358) //<Sebastian Markbåge>//
- **[875d05d55](facebook/react@875d05d55 )**: Include full error messages in React Native build (#15363) //<Andrew Clark>//
- **[1b2159acc](facebook/react@1b2159acc )**: [React Native] measure calls will now call FabricUIManager (#15324) //<Eli White>//
- **[c7a959982](facebook/react@c7a959982 )**: [React Native] Add tests to paper renderer for measure, measureLayout (#15323) //<Eli White>//
- **[aece8119c](facebook/react@aece8119c )**: Refactor EventComponent logic + add onOwnershipChange callback (#15354) //<Dominic Gannaway>//
- **[183d1f42e](facebook/react@183d1f42e )**: Fix: Measure expiration times relative to module initialization (#15357) //<Andrew Clark>//
- **[b4bc33a58](facebook/react@b4bc33a58 )**: Fix areHookInputsEqual method  warning params order (#15345) //<砖家>//
- **[29fb5862f](facebook/react@29fb5862f )**: Move EventComponent state creation to complete phase + tests (#15352) //<Dominic Gannaway>//
- **[745baf2e0](facebook/react@745baf2e0 )**: Provide new jsx transform target for reactjs/rfcs#107 (#15141) //<Ricky Vetter>//
- **[81a61b1d1](facebook/react@81a61b1d1 )**: React events: add delay props to Press module (#15340) //<Nicolas Gallagher>//
- **[4064ea9fa](facebook/react@4064ea9fa )**: Experimental event API: Support EventComponent onUnmount responder callback (#15335) //<Dominic Gannaway>//
- **[4fbbae8af](facebook/react@4fbbae8af )**: Add full TouchHitTarget hit slop (experimental event API) to ReactDOM (#15308) //<Dominic Gannaway>//
- **[958b6173f](facebook/react@958b6173f )**: Add delay props to Hover event module (#15325) //<Nicolas Gallagher>//
- **[c3cc936da](facebook/react@c3cc936da )**: Add Hover,Focus,Press docs to REAMDE (#15328) //<Nicolas Gallagher>//
- **[49595e921](facebook/react@49595e921 )**: [New Scheduler] Fix: Suspending an expired update (#15326) //<Andrew Clark>//
- **[b93a8a9bb](facebook/react@b93a8a9bb )**: Experimental event API: refactor responder modules for lifecycle inclusion (#15322) //<Dominic Gannaway>//
- **[937d262f5](facebook/react@937d262f5 )**: React events: keyboard press, types, tests (#15314) //<Nicolas Gallagher>//
- **[7a2dc4853](facebook/react@7a2dc4853 )**: Allow DevTools to toggle Suspense fallbacks (#15232) //<Dan Abramov>//
- **[43b1f74c8](facebook/react@43b1f74c8 )**: Alternate fix for #14198 //<Andrew Clark>//
- **[41aa345d2](facebook/react@41aa345d2 )**: Fix a crash in Suspense with findDOMNode //<Dan Abramov>//
- **[6d0effad7](facebook/react@6d0effad7 )**: Expose extra internals in FB build of react-dom/unstable-new-scheduler (#15311) //<Andrew Clark>//
- **[3a44ccefe](facebook/react@3a44ccefe )**: Fix feature flags react-dom/unstable-new-scheduler (#15309) //<Andrew Clark>//
- **[92a1d8fea](facebook/react@92a1d8fea )**: mark react-events as private so we publish script skips it for now (#15307) //<Sunil Pai>//
- **[e5c59359c](facebook/react@e5c59359c )**: Prevent bundling of Node polyfills when importing TestUtils/TestRenderer (#15305) //<Dan Abramov>//
- **[73187239a](facebook/react@73187239a )**: writing unit tests in experimental event Drag API (#15297) //<Behzad Abbasi>//
- **[89064fe68](facebook/react@89064fe68 )**: Adds displayName to EventComponent and EventTarget (#15268) //<Dominic Gannaway>//
- **[fc6a9f1a1](facebook/react@fc6a9f1a1 )**: Add test for async event dispatching (#15300) //<Nicolas Gallagher>//
- **[38fa84088](facebook/react@38fa84088 )**: Experiemental event API - wrap async dispatched events (#15299) //<Dominic Gannaway>//
- **[4d5cb64aa](facebook/react@4d5cb64aa )**: Rewrite ReactFiberScheduler for better integration with Scheduler package (#15151) //<Andrew Clark>//
- **[aed0e1c30](facebook/react@aed0e1c30 )**: await act(async () => ...) (#14853) //<Sunil Pai>//
- **[4c75881ee](facebook/react@4c75881ee )**: Remove maxDuration from tests (#15272) //<Sebastian Markbåge>//
- **[9307932fe](facebook/react@9307932fe )**: Refactor event object creation for the experimental event API (#15295) //<Dominic Gannaway>//
- **[6a1e6b2f7](facebook/react@6a1e6b2f7 )**: Experimental event API: loosen EventTarget constraints and warnings (#15292) //<Dominic Gannaway>//
- **[f243deab8](facebook/react@f243deab8 )**: Add tests for Press responder event module (#15290) //<Nicolas Gallagher>//
- **[296c4393d](facebook/react@296c4393d )**: Add Press event prop types and fix a check in Safari (#15288) //<Nicolas Gallagher>//
- **[4482fdded](facebook/react@4482fdded )**: Fix host context issues around EventComponents and EventTargets (#15284) //<Dominic Gannaway>//
- **[5ef0d1d29](facebook/react@5ef0d1d29 )**: Rename hover props in experimental event API and write unit tests (#15283) //<Behzad Abbasi>//
- **[9444a5472](facebook/react@9444a5472 )**: Warn on nested EventTragets in experimental event API (#15287) //<Dominic Gannaway>//
- **[7f1f5ddc3](facebook/react@7f1f5ddc3 )**: Rename press props in experimental event API (#15263) //<Nicolas Gallagher>//
- **[2e02469fa](facebook/react@2e02469fa )**: ReactNative's ref.measureLayout now takes a ref (#15126) //<Eli White>//
- **[1b94fd215](facebook/react@1b94fd215 )**: Make setNativeProps a no-op with Fabric renderer (#15094) //<Eli White>//
- **[08055a625](facebook/react@08055a625 )**: Fix Press module in experimental event API (#15262) //<Nicolas Gallagher>//
- **[f4625f518](facebook/react@f4625f518 )**: Fix on(Long)PressChange events in experimental press event API (#15256) //<Nicolas Gallagher>//
- **[a41b21770](facebook/react@a41b21770 )**: Add additional event API responder surfaces (#15248) //<Dominic Gannaway>//
- **[700f17be6](facebook/react@700f17be6 )**: Fix longpress in experimental Press event module (#15246) //<Nicolas Gallagher>//
- **[5d336df70](facebook/react@5d336df70 )**: Allow for null targetFiber for root event handling (#15247) //<Dominic Gannaway>//
- **[c6f3524df](facebook/react@c6f3524df )**: Adds React event component and React event target support to SSR renderer (#15242) //<Dominic Gannaway>//
- **[c7a2dce50](facebook/react@c7a2dce50 )**: Disable JS urls at build level for www (#15230) //<Sebastian Markbåge>//
- **[fb6b50871](facebook/react@fb6b50871 )**: Update versions for 16.8.6 //<Dan Abramov>//
- **[1cfd25668](facebook/react@1cfd25668 )**: Fix circular module imports causing file size increase (#15231) //<Dominic Gannaway>//
- **[669cafb36](facebook/react@669cafb36 )**: Adds experimental event component responder surfaces (#15228) //<Dominic Gannaway>//
- **[d8cb10f11](facebook/react@d8cb10f11 )**: Enabled warnAboutDeprecatedLifecycles flag by default (#15186) //<Brian Vaughn>//
- **[80f8b0d51](facebook/react@80f8b0d51 )**: Add part of the event responder system for experimental event API (#15179) //<Dominic Gannaway>//
- **[5c2b2c085](facebook/react@5c2b2c085 )**: Warn about async infinite useEffect loop (#15180) //<Dan Abramov>//
- **[8e9a013c0](facebook/react@8e9a013c0 )**: Release 16.8.5 //<Dan Abramov>//
- **[f33e5790b](facebook/react@f33e5790b )**: eslint-plugin-react-hooks@1.6.0 //<Dan Abramov>//
- **[b1cccd1ed](facebook/react@b1cccd1ed )**: Warn about setState directly in dep-less useEffect (#15184) //<Dan Abramov>//
- **[78f2775ed](facebook/react@78f2775ed )**: Flip event passive logic on passiveBrowserEventsSupported (#15190) //<Dominic Gannaway>//
- **[f161ee2eb](facebook/react@f161ee2eb )**: React.warn() and React.error() (#15170) //<Brian Vaughn>//
- **[78968bb3d](facebook/react@78968bb3d )**: Validate useEffect without deps too (#15183) //<Dan Abramov>//
- **[4b8e1641b](facebook/react@4b8e1641b )**: Fork performWork instead of using boolean flag (#15169) //<Sebastian Markbåge>//
- **[56035dac6](facebook/react@56035dac6 )**: unstable_Profiler -> Profiler (#15172) //<Brian Vaughn>//
- **[31518135c](facebook/react@31518135c )**: Strengthen nested update counter test coverage (#15166) //<Dan Abramov>//
- **[66f280c87](facebook/react@66f280c87 )**: Add internal logic for listening to event responders (#15168) //<Dominic Gannaway>//
- **[b1a56abd6](facebook/react@b1a56abd6 )**: Fork ReactFiberScheduler with feature flag //<Andrew Clark>//
- **[45f571736](facebook/react@45f571736 )**: ReactFiberScheduler -> ReactFiberScheduler.old //<Andrew Clark>//
- **[c05b4b81f](facebook/react@c05b4b81f )**: Link to useLayoutEffect gist in a warning (#15158) //<Dan Abramov>//
- **[061d6ce3c](facebook/react@061d6ce3c )**: fix(react-dom): access iframe contentWindow instead of contentDocument (#15099) //<Renan Valentin>//
- **[b83e01cad](facebook/react@b83e01cad )**: Adds more scaffolding for experimental event API (#15112) //<Dominic Gannaway>//
- **[daeda44d8](facebook/react@daeda44d8 )**: Follow up to 15150 (#15152) //<Dominic Gannaway>//
- **[acd65db5b](facebook/react@acd65db5b )**: Deprecate module pattern (factory) components (#15145) //<Sebastian Markbåge>//
- **[55cc921c5](facebook/react@55cc921c5 )**: Adds react-events package for internal testing (#15150) //<Dominic Gannaway>//
- **[7ad738630](facebook/react@7ad738630 )**: Improve warning for invalid class contextType (#15142) //<Dan Abramov>//
- **[1e3364e76](facebook/react@1e3364e76 )**: Test that we don't suspend when disabling yielding (#15143) //<Sebastian Markbåge>//
- **[42c3c967d](facebook/react@42c3c967d )**: Compile invariant directly to throw expressions (#15071) //<Andrew Clark>//
- **[df7b87d25](facebook/react@df7b87d25 )**: Warn for Context.Consumer with contextType (#14831) //<Brandon Dail>//
- **[2b93d686e](facebook/react@2b93d686e )**: Add more info to invalid hook call error message (#15139) //<Jared Palmer>//
- **[d926936f0](facebook/react@d926936f0 )**: Eager bailout optimization should always compare to latest reducer (#15124) //<Andrew Clark>//
- **[4162f6026](facebook/react@4162f6026 )**: Add feature flag to disable yielding (#15119) //<Sebastian Markbåge>//
- **[8d60bd4dc](facebook/react@8d60bd4dc )**: [Shallow] Implement setState for Hooks and remount on type change (#15120) //<Dan Abramov>//
- **[035e4cffb](facebook/react@035e4cffb )**: Change passive checker to use defineProperty (#15121) //<Dominic Gannaway>//
- **[b283d75c1](facebook/react@b283d75c1 )**: Support React.memo in ReactShallowRenderer (#14816) //<Brandon Dail>//
- **[f0621fe23](facebook/react@f0621fe23 )**: Use same example code for async effect warning (#15118) //<Dan Abramov>//
- **[52c870c8d](facebook/react@52c870c8d )**: Fix shallow renderer not allowing hooks in forwardRef render functions (#15100) //<Sebastian Silbermann>//
- **[f1ff4348c](facebook/react@f1ff4348c )**: Don't suggest a function as its own dep (#15115) //<Dan Abramov>//
- **[371bbf36b](facebook/react@371bbf36b )**: Add infrastructure for passive/non-passive event support for future API exploration (#15036) //<Dominic Gannaway>//
- **[ab5fe174c](facebook/react@ab5fe174c )**: Don't set the first option as selected in select tag with `size` attribute  (#14242) //<Mateusz>//
- **[935f60083](facebook/react@935f60083 )**: eslint-plugin-react-hooks@1.5.1 //<Dan Abramov>//
- **[0c03a4743](facebook/react@0c03a4743 )**: Adds experimental event API scaffolding (#15108) //<Dominic Gannaway>//
- **[1204c7897](facebook/react@1204c7897 )**: [eslint] Wording tweaks (#15078) //<Sophie Alpert>//
- **[9d77a317b](facebook/react@9d77a317b )**: Improve async useEffect warning (#15104) //<Dan Abramov>//
- **[103378b1e](facebook/react@103378b1e )**: Warn for javascript: URLs in DOM sinks (#15047) //<Sebastian Markbåge>//
- **[5d0c3c6c7](facebook/react@5d0c3c6c7 )**: [Partial Hydration] Render client-only content at normal priority (#15061) //<Sebastian Markbåge>//
- **[6a4a261ee](facebook/react@6a4a261ee )**: Test suspended children are hidden before layout in persistent mode (#15030) //<Andrew Clark>//
- **[bc8bd24c1](facebook/react@bc8bd24c1 )**: Run persistent mode tests in CI (#15029) //<Andrew Clark>//
- **[3f4852fa5](facebook/react@3f4852fa5 )**: Run Placeholder tests in persistent mode, too (#15013) //<Andrew Clark>//
- **[d0289c7e3](facebook/react@d0289c7e3 )**: eslint-plugin-react-hooks@1.5.0 //<Dan Abramov>//
- **[03ad9c73e](facebook/react@03ad9c73e )**: [ESLint] Tweak setState updater message and add useEffect(async) warning (#15055) //<Dan Abramov>//
- **[eb6247a9a](facebook/react@eb6247a9a )**: More concise messages (#15053) //<Dan Abramov>//
- **[197703ecc](facebook/react@197703ecc )**: [ESLint] Add more hints to lint messages (#15046) //<Dan Abramov>//
- **[6d2666bab](facebook/react@6d2666bab )**: Fix ESLint rule crash (#15044) //<Dan Abramov>//
- **[9b7e1d138](facebook/react@9b7e1d138 )**: [ESLint] Suggest moving inside a Hook or useCallback when bare function is a dependency (#15026) //<Dan Abramov>//
- **[1e3b6192b](facebook/react@1e3b6192b )**: Import Scheduler directly, not via host config (#14984) //<Andrew Clark>//
- **[5d49dafac](facebook/react@5d49dafac )**: Enforce deps array in useMemo and useCallback (#15025) //<Dan Abramov>//
- **[a9aa24ed8](facebook/react@a9aa24ed8 )**: 16.8.4 and changelog //<Brian Vaughn>//
- **[fa5d4ee43](facebook/react@fa5d4ee43 )**: [ESLint] Treat functions that don't capture anything as static (#14996) //<Dan Abramov>//
- **[fd557d453](facebook/react@fd557d453 )**: Warn on mount when deps are not an array (#15018) //<Dan Abramov>//
- **[ce45ca9ba](facebook/react@ce45ca9ba )**: Prettier //<Andrew Clark>//
- **[757a70b25](facebook/react@757a70b25 )**: ReactNoop.yield -> Scheduler.yieldValue (#15008) //<Andrew Clark>//
- **[9d756d903](facebook/react@9d756d903 )**: Revert #14756 changes to ReactFiberScheduler (#14992) //<Andrew Clark>//
- **[f16442a10](facebook/react@f16442a10 )**: eslint-plugin-react-hooks@1.4.0 //<Dan Abramov>//
- **[e1e45fb36](facebook/react@e1e45fb36 )**: [ESLint] Suggest to destructure props when they are only used as members (#14993) //<Dan Abramov>//
- **[59ef28437](facebook/react@59ef28437 )**: Warn about dependencies outside of render scope (#14990) //<Dan Abramov>//
- **[df7b4768c](facebook/react@df7b4768c )**: [ESLint] Deduplicate suggested dependencies (#14982) //<Dan Abramov>//
- **[02404d793](facebook/react@02404d793 )**: Avoid dynamic dispatch for scheduler calls (#14968) //<Dan Abramov>//
- **[bb2939ccc](facebook/react@bb2939ccc )**: Support editable useState hooks in DevTools (#14906) //<Brian Vaughn>//
- **[69060e1da](facebook/react@69060e1da )**: Swap expect(ReactNoop) for expect(Scheduler) (#14971) //<Andrew Clark>//
- **[ccb2a8a44](facebook/react@ccb2a8a44 )**: Replace test renderer's fake Scheduler implementation with mock build (#14970) //<Andrew Clark>//
- **[53e787b45](facebook/react@53e787b45 )**: Replace noop's fake Scheduler implementation with mock Scheduler build (#14969) //<Andrew Clark>//
- **[3ada82b74](facebook/react@3ada82b74 )**: Allow extraneous effect dependencies (#14967) //<Dan Abramov>//
- **[00748c53e](facebook/react@00748c53e )**: Add new mock build of Scheduler with flush, yield API (#14964) //<Andrew Clark>//
- **[4186952a6](facebook/react@4186952a6 )**: Fixed incompatibility between react-debug-tools and useContext() (#14940) //<Brian Vaughn>//
- **[0b8efb229](facebook/react@0b8efb229 )**: Allow omitting constant primitive deps (#14959) //<Dan Abramov>//

Changelog:
[General][Changed] - React sync for revisions 8e25ed2...ec6691a

Follow steps in the [React Native test plan](https://our.intern.facebook.com/intern/dex/react/test-workflows-react-native/).

Reviewed By: shergin

Differential Revision: D15171103

fbshipit-source-id: d16b54dfd575b3a1fa38e6a132633f42c715b4fd

Libraries/Renderer/REVISION

@@ -1 +1 @@
-8e25ed20bd27d126f670d04680db85209f779056
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