Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/lib/compiler/samples/leap/leap_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.
 
-import 'dart:io';
+#import('dart:io');
 
 class Conversation {
   HttpRequest request;
   HttpResponse response;
 
   static const String LEAP_LANDING_PAGE = 'samples/leap/index.html';
 
   static String landingPage = LEAP_LANDING_PAGE;
 
   Conversation(this.request, this.response);
@@ skipping 49 matching lines @@
   if (arguments.length > 0) {
     Conversation.landingPage = arguments[0];
   }
   var server = new HttpServer();
   var host = '127.0.0.1';
   var port = 8080;
   server.listen(host, port);
   print('HTTP server started on http://$host:$port/');
   server.defaultRequestHandler = Conversation.onRequest;
 }