New testrunner that runs the test pipleine in an isolate.

utils/testrunner/dart2js_task.dart

Index: utils/testrunner/dart2js_task.dart
===================================================================
--- utils/testrunner/dart2js_task.dart	(revision 13143)
+++ utils/testrunner/dart2js_task.dart	(working copy)
@@ -1,24 +0,0 @@
-// 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.
-
-/** A pipeline task to run the compiler. */
-class Dart2jsTask extends RunProcessTask {
-  final String _jsFileTemplate;
-
-  Dart2jsTask.checked(String dartFileTemplate, jsFileTemplate) :
-    super(config.dart2jsPath,
-        ['--enable_checked_mode', '--out=$jsFileTemplate', dartFileTemplate],
-        config.timeout),
-    _jsFileTemplate = jsFileTemplate;
-
-  Dart2jsTask(String dartFileTemplate, jsFileTemplate) :
-    super(config.dart2jsPath, ['--out=$jsFileTemplate', dartFileTemplate],
-         config.timeout),
-    _jsFileTemplate = jsFileTemplate;
-
-  void cleanup(Path testfile, List stdout, List stderr,
-               bool logging, bool keepFiles) {
-    deleteFiles([_jsFileTemplate ], testfile, logging, keepFiles, stdout);
-  }
-}