cleanup to tools/testing/dart

tools/testing/dart/drt_updater.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.
-
-// TODO(antonm): rename to something like test_runner_updater.
-
-library drt_updater;
-
-import "dart:async";
-import "dart:io";
-
-import "test_suite.dart";
-
-class _DartiumUpdater {
-  String name;
-  String script;
-  String option;
-
-  bool isActive = false;
-  bool updated = false;
-  List onUpdated;
-
-  Future<ProcessResult> _updatingProcess;
-
-  _DartiumUpdater(this.name, this.script, [this.option = null]);
-
-  void update() {
-    if (!isActive) {
-      isActive = true;
-      print('Updating $name.');
-      onUpdated = [() {updated = true;} ];
-      _updatingProcess = Process.run('python', _getUpdateCommand);
-      _updatingProcess.then(_onUpdatedHandler).catchError((e) {
-        print("Error starting $script process: $e");
-        // TODO(floitsch): should we print the stacktrace?
-        return false;
-      });
-    }
-  }
-
-  List<String> get _getUpdateCommand {
-    Uri updateScript = TestUtils.dartDirUri.resolve(script);
-    List<String> command = [updateScript.toFilePath()];
-    if (null != option) {
-      command.add(option);
-    }
-    return command;
-  }
-
-  void _onUpdatedHandler(ProcessResult result) {
-    if (result.exitCode == 0) {
-      print('$name updated');
-    } else {
-      print('Failure updating $name');
-      print('  Exit code: ${result.exitCode}');
-      print(result.stdout);
-      print(result.stderr);
-      exit(1);
-    }
-    for (var callback in onUpdated ) callback();
-  }
-}
-
-_DartiumUpdater _contentShellUpdater;
-_DartiumUpdater _dartiumUpdater;
-
-_DartiumUpdater runtimeUpdater(Map configuration) {
-  String runtime = configuration['runtime'];
-  if (runtime == 'drt' && configuration['drt'] == '') {
-    // Download the default content shell from Google Storage.
-    if (_contentShellUpdater == null) {
-      _contentShellUpdater = new _DartiumUpdater('Content Shell',
-                                                 'tools/get_archive.py',
-                                                 'drt');
-    }
-    return _contentShellUpdater;
-  } else if (runtime == 'dartium' && configuration['dartium'] == '') {
-    // Download the default Dartium from Google Storage.
-    if (_dartiumUpdater == null) {
-      _dartiumUpdater = new _DartiumUpdater('Dartium Chrome',
-                                            'tools/get_archive.py',
-                                            'dartium');
-    }
-    return _dartiumUpdater;
-  } else {
-    return null;
-  }
-}