Remove MetroListView from SectionList

Reviewed By: yungsters

Differential Revision: D10251054

fbshipit-source-id: dc801817dfcf2722e4625178117006ab51e57255

Libraries/Lists/SectionList.js

@@ -9,7 +9,6 @@
  */
 'use strict';
 
-const MetroListView = require('MetroListView');
 const Platform = require('Platform');
 const React = require('React');
 const ScrollView = require('ScrollView');
@@ -277,7 +276,9 @@ class SectionList<SectionT: SectionBase<any>> extends React.PureComponent<
     viewOffset?: number,
     viewPosition?: number,
   }) {
-    this._wrapperListRef.scrollToLocation(params);
+    if (this._wrapperListRef != null) {
+      this._wrapperListRef.scrollToLocation(params);
+    }
   }
 
   /**
@@ -326,18 +327,14 @@ class SectionList<SectionT: SectionBase<any>> extends React.PureComponent<
   }
 
   render() {
-    const List = VirtualizedSectionList;
     /* $FlowFixMe(>=0.66.0 site=react_native_fb) This comment suppresses an
      * error found when Flow v0.66 was deployed. To see the error delete this
      * comment and run Flow. */
-    return <List {...this.props} ref={this._captureRef} />;
+    return <VirtualizedSectionList {...this.props} ref={this._captureRef} />;
   }
 
-  _wrapperListRef: MetroListView | VirtualizedSectionList<any>;
+  _wrapperListRef: ?React.ElementRef<typeof VirtualizedSectionList>;
   _captureRef = ref => {
-    /* $FlowFixMe(>=0.53.0 site=react_native_fb,react_native_oss) This comment
-     * suppresses an error when upgrading Flow's support for React. To see the
-     * error delete this comment and run Flow. */
     this._wrapperListRef = ref;
   };
 }