Reapply "Rename mappedBy to map."

utils/pub/version.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Handles version numbers, following the [Semantic Versioning][semver] spec.
 ///
 /// [semver]: http://semver.org/
 library version;
 
 import 'dart:math';
@@ skipping 174 matching lines @@
             return aPart.compareTo(bPart);
           }
         }
       }
     }
   }
 
   /// Splits a string of dot-delimited identifiers into their component parts.
   /// Identifiers that are numeric are converted to numbers.
   List _splitParts(String text) {
-    return text.split('.').mappedBy((part) {
+    return text.split('.').map((part) {
       try {
         return int.parse(part);
       } on FormatException catch (ex) {
         // Not a number.
         return part;
       }
     }).toList();
   }
 }
 
@@ skipping 213 matching lines @@
 
 class _EmptyVersion implements VersionConstraint {
   const _EmptyVersion();
 
   bool get isEmpty => true;
   bool get isAny => false;
   bool allows(Version other) => false;
   VersionConstraint intersect(VersionConstraint other) => this;
   String toString() => '<empty>';
 }