Reapply "Rename mappedBy to map."

pkg/intl/test/date_time_format_test_core.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.
 
 /**
  * Tests the DateFormat library in dart. This file contains core tests that
  * are run regardless of where the locale data is found, so it doesn't expect to
  * be run on its own, but rather to be imported and run from another test file.
  */
 
@@ skipping 200 matching lines @@
     expect(multiple1.format(date), equals(separateFormat));
     var customPunctuation = new DateFormat("yMd").addPattern("jms",":::");
     var custom = "${separate1.format(date)}:::${separate2.format(date)}";
     expect(customPunctuation.format(date), equals(custom));
   });
 
   test('Basic date format parsing', () {
     var date_format = new DateFormat("d");
     expect(
         date_format.parsePattern("hh:mm:ss")
-            .mappedBy((x) => x.pattern)
+            .map((x) => x.pattern)
             .toList(),
         orderedEquals(["hh",":", "mm",":","ss"]));
     expect(
         date_format.parsePattern("hh:mm:ss")
-            .mappedBy((x) => x.pattern)
+            .map((x) => x.pattern)
             .toList(),
         orderedEquals(["hh",":", "mm",":","ss"]));
   });
 
   test('Test ALL the supported formats on representative locales', () {
     var aDate = new DateTime(2012, 1, 27, 20, 58, 59, 0);
     testLocale("en_US", English, aDate);
     if (subset.length > 1) {
       // Don't run if we have just one locale, so some of these won't be there.
       testLocale("de_DE", German, aDate);
@@ skipping 118 matching lines @@
 
   test('Test default format', () {
     var someDate = new DateTime(2012, 1, 27, 20, 58, 59, 1);
     var emptyFormat = new DateFormat(null, "en_US");
     var knownDefault = new DateFormat.yMMMMd("en_US").add_jms();
     var result = emptyFormat.format(someDate);
     var knownResult = knownDefault.format(someDate);
     expect(result, knownResult);
   });
 }