Revert "Improve Flow Type for ScrollResponder"

This reverts commit 54bf3ae1cf.

Libraries/Components/ScrollView/ScrollView.js

@@ -64,21 +64,7 @@ if (Platform.OS === 'android') {
 }
 
 export type ScrollResponderType = {
-  // We'd like to do ...ScrollView here, however Flow doesn't seem
-  // to see the imperative methods of ScrollView that way. Workaround the
-  // issue by specifying them manually.
-  getScrollableNode: $PropertyType<ScrollView, 'getScrollableNode'>,
-  getInnerViewNode: $PropertyType<ScrollView, 'getInnerViewNode'>,
-  getNativeScrollRef: $PropertyType<ScrollView, 'getNativeScrollRef'>,
-
-  setNativeProps: $PropertyType<ScrollView, 'setNativeProps'>,
-  scrollTo: $PropertyType<ScrollView, 'scrollTo'>,
-  scrollWithoutAnimationTo: $PropertyType<
-    ScrollView,
-    'scrollWithoutAnimationTo',
-  >,
-  flashScrollIndicators: $PropertyType<ScrollView, 'flashScrollIndicators'>,
-
+  ...ScrollView,
   ...typeof ScrollResponder.Mixin,
 };
 

Libraries/Lists/FlatList.js

@@ -18,7 +18,6 @@ const StyleSheet = require('../StyleSheet/StyleSheet');
 
 const invariant = require('invariant');
 
-import type {ScrollResponderType} from '../Components/ScrollView/ScrollView';
 import type {ViewStyleProp} from '../StyleSheet/StyleSheet';
 import type {
   ViewabilityConfig,
@@ -442,7 +441,7 @@ class FlatList<ItemT> extends React.PureComponent<Props<ItemT>, void> {
   /**
    * Provides a handle to the underlying scroll responder.
    */
-  getScrollResponder(): ?ScrollResponderType {
+  getScrollResponder(): any {
     if (this._listRef) {
       return this._listRef.getScrollResponder();
     }

Libraries/Lists/SectionList.js

@@ -14,7 +14,6 @@ const React = require('react');
 const ScrollView = require('../Components/ScrollView/ScrollView');
 const VirtualizedSectionList = require('./VirtualizedSectionList');
 
-import type {ScrollResponderType} from '../Components/ScrollView/ScrollView';
 import type {ViewToken} from './ViewabilityHelper';
 import type {
   SectionBase as _SectionBase,
@@ -276,7 +275,7 @@ class SectionList<SectionT: SectionBase<any>> extends React.PureComponent<
   /**
    * Provides a handle to the underlying scroll responder.
    */
-  getScrollResponder(): ?ScrollResponderType {
+  getScrollResponder(): ?ScrollView {
     const listRef = this._wrapperListRef && this._wrapperListRef.getListRef();
     if (listRef) {
       return listRef.getScrollResponder();

Libraries/Lists/VirtualizedList.js

@@ -27,7 +27,6 @@ const warning = require('fbjs/lib/warning');
 
 const {computeWindowedRenderLimits} = require('./VirtualizeUtils');
 
-import type {ScrollResponderType} from '../Components/ScrollView/ScrollView';
 import type {ViewStyleProp} from '../StyleSheet/StyleSheet';
 import type {
   ViewabilityConfig,
@@ -432,7 +431,7 @@ class VirtualizedList extends React.PureComponent<Props, State> {
    * Note that `this._scrollRef` might not be a `ScrollView`, so we
    * need to check that it responds to `getScrollResponder` before calling it.
    */
-  getScrollResponder(): ?ScrollResponderType {
+  getScrollResponder(): any {
     if (this._scrollRef && this._scrollRef.getScrollResponder) {
       return this._scrollRef.getScrollResponder();
     }