Update the test runner to use the new dart:io API

tools/test-runtime.dart

 #!/usr/bin/env dart
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, 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(ager): Get rid of this version of test.dart when we don't have
 // to worry about the special runtime checkout anymore.
 // This file is identical to test.dart with test suites in the
 // directories samples, client, compiler, and utils removed.
 
-#library("test");
+library test;
 
-#import("dart:io");
-#import("testing/dart/test_runner.dart");
-#import("testing/dart/test_options.dart");
-#import("testing/dart/test_suite.dart");
-#import("testing/dart/http_server.dart");
-#import("testing/dart/utils.dart");
+import "dart:io";
+import "testing/dart/test_runner.dart";
+import "testing/dart/test_options.dart";
+import "testing/dart/test_suite.dart";
+import "testing/dart/http_server.dart";
+import "testing/dart/utils.dart";
 
-#import("../tests/co19/test_config.dart");
-#import("../runtime/tests/vm/test_config.dart");
+import "../tests/co19/test_config.dart";
+import "../runtime/tests/vm/test_config.dart";
 
 /**
  * The directories that contain test suites which follow the conventions
  * required by [StandardTestSuite]'s forDirectory constructor.
  * New test suites should follow this convention because it makes it much
  * simpler to add them to test.dart.  Existing test suites should be
  * moved to here, if possible.
 */
 final TEST_SUITE_DIRECTORIES = [
   new Path('runtime/tests/vm'),
   new Path('tests/corelib'),
   new Path('tests/isolate'),
   new Path('tests/language'),
   new Path('tests/lib'),
   new Path('tests/standalone'),
   new Path('tests/utils'),
 ];
 
 main() {
-  var startTime = new Date.now();
+  var startTime = new DateTime.now();
   var optionsParser = new TestOptionsParser();
   List<Map> configurations = optionsParser.parse(new Options().arguments);
   if (configurations == null) return;
 
   // Extract global options from first configuration.
   var firstConf = configurations[0];
   Map<String, RegExp> selectors = firstConf['selectors'];
   var maxProcesses = firstConf['tasks'];
   var progressIndicator = firstConf['progress'];
   var verbose = firstConf['verbose'];
   var printTiming = firstConf['time'];
   var listTests = firstConf['list'];
 
   if (!firstConf['append_logs'])  {
     var file = new File(TestUtils.flakyFileName());
     if (file.existsSync()) {
       file.deleteSync();
     }
   }
   // Print the configurations being run by this execution of
   // test.dart. However, don't do it if the silent progress indicator
   // is used. This is only needed because of the junit tests.
   if (progressIndicator != 'silent') {
     List output_words = configurations.length > 1 ?
         ['Test configurations:'] : ['Test configuration:'];
     for (Map conf in configurations) {
       List settings = ['compiler', 'runtime', 'mode', 'arch']
-          .mappedBy((name) => conf[name]).toList();
+          .map((name) => conf[name]).toList();
       if (conf['checked']) settings.add('checked');
       output_words.add(settings.join('_'));
     }
     print(output_words.join(' '));
   }
 
   var testSuites = new List<TestSuite>();
   for (var conf in configurations) {
     if (selectors.containsKey('co19')) {
       testSuites.add(new Co19TestSuite(conf));
@@ skipping 53 matching lines @@
   new ProcessQueue(
       maxProcesses,
       maxBrowserProcesses,
       startTime,
       testSuites,
       eventListener,
       allTestsFinished,
       verbose,
       listTests);
 }