Add in-process http server to the dart test scripts.

pkg/intl/test/web_server.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 runs a trivial HTTP server to serve locale data files from the
- * intl/lib/src/data directory. The code is primarily copied from the dart:io
- * example at http://www.dartlang.org/articles/io/
- */
-
-#import('dart:io');
-#import('dart:isolate');
-
-var server = new HttpServer();
-
-_send404(HttpResponse response) {
-  response.statusCode = HttpStatus.NOT_FOUND;
-  response.outputStream.close();
-}
-
-startServer(String basePath) {
-  server.listen('127.0.0.1', 8000);
-  server.defaultRequestHandler = (HttpRequest request, HttpResponse response) {
-    var path = request.path;
-    if (path == '/terminate') {
-      server.close();
-      return;
-    }
-    final File file = new File('${basePath}${path}');
-    file.exists().then((bool found) {
-      if (found) {
-        // Set the CORS header to allow us to issue requests to localhost when
-        // the HTML was opened from a file.
-        response.headers.set("Access-Control-Allow-Origin", "*");
-        file.fullPath().then((String fullPath) {
-            file.openInputStream().pipe(response.outputStream);
-        });
-      } else {
-        _send404(response);
-      }
-    });
-  };
-}
-
-main() {
-  // Compute base path for the request based on the location of the
-  // script and then start the server.
-  File script = new File(new Options().script);
-  script.directory().then((Directory d) {
-    startServer('${d.path}/../lib/src/data');
-  });
-  // After 60 seconds, if we haven't already been told to terminate, shut down
-  // the server, at which point the program exits.
-  new Timer(60000, (t) {server.close();});
-}