Change new List(n) to return fixed length list.

samples/tests/samples/chat/chat_server_test.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.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 import 'dart:io';
@@ skipping 222 matching lines @@
                                           message.port);
               clientPorts[i].send(command, clientStatusPorts[i].toSendPort());
             }
           } else if (message.isError) {
             print("Could not start server - probably error \"Address already in use\" from bind.");
             serverStatusPort.close();
           }
         });
 
     // Prepare the requested number of clients.
-    clientPorts = new List<SendPort>.fixedLength(clientCount);
+    clientPorts = new List<SendPort>(clientCount);
     int liveClientsCount = 0;
-    clientStatusPorts = new List<ReceivePort>.fixedLength(clientCount);
+    clientStatusPorts = new List<ReceivePort>(clientCount);
     for (int i = 0; i < clientCount; i++) {
       ReceivePort statusPort = new ReceivePort();
       statusPort.receive((var message, SendPort replyTo) {
         // First and only message from the client indicates that
         // the test is done.
         Expect.equals("Test succeeded", message);
         statusPort.close();
         finishedClients++;
 
         // If all clients are finished shutdown the server.
@@ skipping 54 matching lines @@
   TestMain testMain = new TestMain.run(10, 2);
 }
 
 
 void main() {
   testOneClient();
   testTwoClients();
   testTwoClientsMoreMessages();
   testTenClients();
 }