Update of co19_test.dart to reflect new API

tools/testing/dart/co19_test.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.
 
 /**
  * Tool for running co19 tests. Used when updating co19.
  *
  * Currently, this tool is merely a convenience around multiple
  * invocations of test.dart. Long term, we hope to evolve this into a
  * script that can automate most of the tasks necessary when updating
  * co19.
  *
  * Usage:
  * [: ./tools/testing/bin/$OS/dart tools/testing/dart/co19_test.dart :]
  */
 
 library co19_test;
 
 import "dart:io";
 import "test_runner.dart";
 import "test_options.dart";
 import "test_suite.dart";
 import "test_progress.dart";
+import "../../test.dart" as test_dart;
 
 import "../../../tests/co19/test_config.dart";
 
 const List<String> COMMON_ARGUMENTS = const <String>['--report'];
 
 const List<List<String>> COMMAND_LINES = const <List<String>>[
     const <String>['-mrelease,debug', '-rvm', '-cnone'],
     const <String>['-mrelease,debug', '-rvm', '-cnone', '--checked'],
     const <String>['-mrelease', '-rnone', '-cdartc'],
     const <String>['-mrelease', '-rvm', '-cdart2dart'],
     const <String>['-mrelease', '-rd8', '-cdart2js', '--use-sdk'],
     const <String>['-mrelease', '-rd8', '-cdart2js', '--use-sdk', '--checked']];
 
 void main() {
   Options options = new Options();
   File scriptFile = new File(options.script);
   Path scriptPath =
       new Path(scriptFile.fullPathSync())
       .directoryPath.directoryPath.directoryPath.append('test.dart');
   TestUtils.testScriptPath = scriptPath.toNativePath();
-  var startTime = new DateTime.now();
   var optionsParser = new TestOptionsParser();
   List<Map> configurations = <Map>[];
   for (var commandLine in COMMAND_LINES) {
     List arguments = <String>[];
     arguments.addAll(COMMON_ARGUMENTS);
     arguments.addAll(options.arguments);
     arguments.addAll(commandLine);
     arguments.add('co19');
+    arguments.add('--progress=diff');
     configurations.addAll(optionsParser.parse(arguments));
   }
-  if (configurations == null || configurations.isEmpty) return;
 
-  var firstConfiguration = configurations[0];
-  Map<String, RegExp> selectors = firstConfiguration['selectors'];
-  var maxProcesses = firstConfiguration['tasks'];
-  var verbose = firstConfiguration['verbose'];
-  var listTests = firstConfiguration['list'];
+  if (configurations != null || configurations.length > 0) {
+    test_dart.testConfigurations(configurations);
+  }
+}
 
-  var configurationIterator = configurations.iterator;
-  void enqueueConfiguration(ProcessQueue queue) {
-    if (!configurationIterator.moveNext()) return;
-    var configuration = configurationIterator.current;
-    for (String selector in selectors.keys) {
-      if (selector == 'co19') {
-        queue.addTestSuite(new Co19TestSuite(configuration));
-      } else {
-        throw 'Error: unexpected selector: "$selector".';
-      }
-    }
-  }
-
-  // Start process queue.
-  var queue = new ProcessQueue(maxProcesses,
-                               'diff',
-                               startTime,
-                               false,
-                               enqueueConfiguration,
-                               () {},
-                               verbose,
-                               listTests);
-}