Make getKeys, getValues getters (keys, values).

utils/testrunner/standard_test_runner.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.
 
 // TODO(gram): dart2js is not handling 'part of' properly yet; when it does
 // uncomment this.
 //part of test_controller;
 
 /** Path to DRT executable. */
 String drt;
@@ skipping 142 matching lines @@
   for (var t in tests) {
     var groupName, testName = '';
     var idx = t.description.lastIndexOf('###');
     if (idx >= 0) {
       groupName = t.description.substring(0, idx).replaceAll('###', ' ');
       if (!groups.containsKey(groupName)) {
         groups[groupName] = '';
       }
     }
   }
-  for (var g in groups.getKeys()) {
+  for (var g in groups.keys) {
     var msg = formatListMessage('$testfile ', '$g ');
     print('###$msg');
   }
   if (notifyDone != null) {
     notifyDone(0);
   }
 }
 
 listTests() {
   List tests = unittest.testCases;
@@ skipping 102 matching lines @@
 }
 
 process(testMain, action) {
   unittest.groupSep = '###';
   unittest.configure(new TestRunnerConfiguration());
   unittest.group('', testMain);
   // Do any user-specified test filtering.
   unittest.filterTests(filterTest);
   action();
 }