Remove uses of Options from pkg, samples, tests, and third_party directories.

pkg/http_server/test/utils.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.
 
 library utils;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 import "package:path/path.dart";
@@ skipping 40 matching lines @@
   return new HttpClient().get('localhost', port, path)
       .then((request) => request.close())
       .then((response) => UTF8.decodeStream(response));
 }
 
 
 const CERTIFICATE = "localhost_cert";
 
 
 setupSecure() {
-  String scriptDir = dirname(new Options().script);
+  String scriptDir = dirname(Platform.script);
   String certificateDatabase = join(scriptDir, 'pkcert');
   SecureSocket.initialize(database: certificateDatabase,
                           password: 'dartdart');
 }