Use new syntax for getters in test.dart and its libraries.

tools/testing/dart/test_progress.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.
 
 #library("test_progress");
 
 #import("dart:io");
 #import("test_runner.dart");
 #import("test_suite.dart");
 
@@ skipping 159 matching lines @@
       print('=== All tests succeeded');
       print('===\n');
     } else {
       var pluralSuffix = _failedTests != 1 ? 's' : '';
       print('\n===');
       print('=== ${_failedTests} test$pluralSuffix failed');
       print('===\n');
     }
   }
 
-  int get numFailedTests() => _failedTests;
+  int get numFailedTests => _failedTests;
 
   int _completedTests() => _passedTests + _failedTests;
 
   int _foundTests = 0;
   int _passedTests = 0;
   int _failedTests = 0;
   bool _allTestsKnown = false;
   Date _startTime;
   bool _printTiming;
   List<TestCase> _tests;
@@ skipping 174 matching lines @@
       // printed by the program invoking this.
       // TODO(ahe): Pass in the step name as an option, and let
       // test.py take care of printing the steps.
       var name = 'failures ($_startTime)';
       print('@@@STEP_FAILURE@@@');
       print('@@@BUILD_STEP $name@@@');
     }
     super._printFailureSummary();
   }
 }