Correctly entirely close client connections, when closing http server.

runtime/bin/http_impl.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.
 
 class _HttpHeaders implements HttpHeaders {
   _HttpHeaders() : _headers = new Map<String, List<String>>();
 
   List<String> operator[](String name) {
     name = name.toLowerCase();
     return _headers[name];
@@ skipping 952 matching lines @@
   void listen(String host, int port, [int backlog = 5]) {
     listenOn(new ServerSocket(host, port, backlog));
     _closeServer = true;
   }
 
   void listenOn(ServerSocket serverSocket) {
     void onConnection(Socket socket) {
       // Accept the client connection.
       _HttpConnection connection = new _HttpConnection(this);
       connection._connectionEstablished(socket);
+      _connections.add(connection);
       connection.onRequestReceived = _handleRequest;
       connection.onClosed = () => _connections.remove(connection);
       connection.onDetach = () => _connections.remove(connection);
       connection.onError = (e) {
         _connections.remove(connection);
         if (_onError != null) {
           _onError(e);
         } else {
           throw(e);
         }
       };
-      connection._connectionEstablished(socket);
-      _connections.add(connection);
     }
     serverSocket.onConnection = onConnection;
     _server = serverSocket;
     _closeServer = false;
   }
 
   addRequestHandler(bool matcher(HttpRequest request),
                     void handler(HttpRequest request, HttpResponse response)) {
     _handlers.add(new _RequestHandlerRegistration(matcher, handler));
   }
 
   void set defaultRequestHandler(
       void handler(HttpRequest request, HttpResponse response)) {
     _defaultHandler = handler;
   }
 
   void close() {
     if (_server !== null && _closeServer) {
       _server.close();
     }
     _server = null;
     for (_HttpConnection connection in _connections) {
-      connection._close();
+      connection._destroy();
     }
     _connections.clear();
   }
 
   int get port() {
     if (_server === null) {
       throw new HttpException("The HttpServer is not listening on a port.");
     }
     return _server.port;
   }
@@ skipping 629 matching lines @@
 
 
 class _RedirectInfo implements RedirectInfo {
   const _RedirectInfo(int this.statusCode,
                       String this.method,
                       Uri this.location);
   final int statusCode;
   final String method;
   final Uri location;
 }