Revert "Revert "Replace the configuration map with a typed object.""

tests/standalone/io/test_runner_test.dart

 // 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.
 
 import "dart:io";
-import "dart:isolate";
 import "dart:async";
+import "../../../tools/testing/dart/configuration.dart";
 import "../../../tools/testing/dart/expectation.dart";
 import "../../../tools/testing/dart/options.dart";
-import "../../../tools/testing/dart/status_file.dart";
 import "../../../tools/testing/dart/test_runner.dart";
 import "../../../tools/testing/dart/test_suite.dart";
 import "../../../tools/testing/dart/test_progress.dart" as progress;
 import "process_test_util.dart";
 
 final DEFAULT_TIMEOUT = 20;
 final LONG_TIMEOUT = 30;
 
 List<String> packageOptions() {
   if (Platform.packageRoot != null) {
@@ skipping 39 matching lines @@
 
   static void finished() {
     if (numTests != numCompletedTests) {
       throw "bad completion count. "
           "expected: $numTests, actual: $numCompletedTests";
     }
   }
 }
 
 class CustomTestSuite extends TestSuite {
-  CustomTestSuite(Map configuration) : super(configuration, "CustomTestSuite");
+  CustomTestSuite(Configuration configuration)
+      : super(configuration, "CustomTestSuite");
 
   Future forEachTest(TestCaseEvent onTest, Map testCache, [onDone]) {
     void enqueueTestCase(testCase) {
       TestController.numTests++;
       onTest(testCase);
     }
 
     var testCaseCrash = _makeCrashTestCase("crash", [Expectation.crash]);
     var testCasePass = _makeNormalTestCase("pass", [Expectation.pass]);
     var testCaseFail = _makeNormalTestCase("fail", [Expectation.fail]);
@@ skipping 78 matching lines @@
         break;
       case 'timeout':
         // This process should be killed by the test after DEFAULT_TIMEOUT
         new Timer(new Duration(hours: 42), () {});
         break;
       default:
         throw "Unknown option ${arguments[0]} passed to test_runner_test";
     }
   }
 }