Switch from interfaces to abstract classes in dart:io.

tools/test.dart

 #!/usr/bin/env 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.
 
 /**
  * This file is the entrypoint of the dart test suite.  This suite is used
  * to test:
  *
  *     1. the dart vm
@@ skipping 24 matching lines @@
 #import("../samples/tests/dartc/test_config.dart");
 #import("../tests/co19/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 = const [
-    const Path('pkg'),
-    const Path('runtime/tests/vm'),
-    const Path('samples/tests/samples'),
-    const Path('tests/benchmark_smoke'),
-    const Path('tests/compiler/dart2js'),
-    const Path('tests/compiler/dart2js_extra'),
-    const Path('tests/compiler/dart2js_foreign'),
-    const Path('tests/compiler/dart2js_native'),
-    const Path('tests/corelib'),
-    const Path('tests/dom'),
-    const Path('tests/html'),
-    const Path('tests/isolate'),
-    const Path('tests/json'),
-    const Path('tests/language'),
-    const Path('tests/lib'),
-    const Path('tests/standalone'),
-    const Path('tests/utils'),
-    const Path('utils/tests/css'),
-    const Path('utils/tests/peg'),
-    const Path('utils/tests/pub'),
+final TEST_SUITE_DIRECTORIES = [
+    new Path('pkg'),
+    new Path('runtime/tests/vm'),
+    new Path('samples/tests/samples'),
+    new Path('tests/benchmark_smoke'),
+    new Path('tests/compiler/dart2js'),
+    new Path('tests/compiler/dart2js_extra'),
+    new Path('tests/compiler/dart2js_foreign'),
+    new Path('tests/compiler/dart2js_native'),
+    new Path('tests/corelib'),
+    new Path('tests/dom'),
+    new Path('tests/html'),
+    new Path('tests/isolate'),
+    new Path('tests/json'),
+    new Path('tests/language'),
+    new Path('tests/lib'),
+    new Path('tests/standalone'),
+    new Path('tests/utils'),
+    new Path('utils/tests/css'),
+    new Path('utils/tests/peg'),
+    new Path('utils/tests/pub'),
 ];
 
 main() {
   var startTime = new Date.now();
   var optionsParser = new TestOptionsParser();
   List<Map> configurations = optionsParser.parse(new Options().arguments);
   if (configurations == null || configurations.length == 0) return;
 
   // Extract global options from first configuration.
   var firstConf = configurations[0];
@@ skipping 53 matching lines @@
 
   // Start process queue.
   var queue = new ProcessQueue(maxProcesses,
                                progressIndicator,
                                startTime,
                                printTiming,
                                enqueueConfiguration,
                                verbose,
                                listTests);
 }