Add bufferOutput to HttpServer, HttpResponse and HttpClientRequest.

tests/standalone/io/http_client_connect_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.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 import 'dart:async';
@@ skipping 103 matching lines @@
       .catchError((error) => asyncEnd(),
                   test: (error) => error is HttpException);
   });
 }
 
 void testGetDataServerForceClose() {
   asyncStart();
   var completer = new Completer();
   HttpServer.bind("127.0.0.1", 0).then((server) {
     server.listen((request) {
+      request.response.bufferOutput = false;
       request.response.contentLength = 100;
       request.response.write("data");
       request.response.write("more data");
       completer.future.then((_) => server.close(force: true));
     });
 
     var client = new HttpClient();
     client.get("127.0.0.1", server.port, "/")
       .then((request) => request.close())
       .then((response) {
@@ skipping 22 matching lines @@
     client.post("127.0.0.1", server.port, "/")
       .then((request) => request.close())
       .then((response) {
         response.listen((data) {}, onDone: server.close);
       });
   });
 }
 
 
 void main() {
+  /*

[Søren Gjesse, 2014/04/08 11:54:25]

Remove these comments.

[Anders Johnsen, 2014/04/08 12:40:07]

Done.

   testGetEmptyRequest();
   testGetDataRequest();
   testGetInvalidHost();
   testGetServerClose();
   testGetServerCloseNoKeepAlive();
   testGetServerForceClose();
-  // TODO(14953): This test can only run, when buffering is disabled.
-  // testGetDataServerForceClose();
-  testPostEmptyRequest();
+  */
+  testGetDataServerForceClose();

[Søren Gjesse, 2014/04/08 11:54:25]

There should be a test where the server writes several times and the client
receives separate chunks. Maybe have the client complete a future in the server
between chunks.

[Anders Johnsen, 2014/04/08 12:40:07]

Done.

+//  testPostEmptyRequest();
 }