one space before opening brace in class

runtime/bin/socket_patch.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.
 
-patch class RawServerSocket  {
+patch class RawServerSocket {
   /* patch */ static Future<RawServerSocket> bind(address,
                                                   int port,
                                                   {int backlog: 0,
                                                    bool v6Only: false}) {
     return _RawServerSocket.bind(address, port, backlog, v6Only);
   }
 }
 
 
 patch class RawSocket {
@@ skipping 122 matching lines @@
         type, address, host, new Uint8List.fromList(_sockaddr_storage));
   }
 
   String toString() {
     return "InternetAddress('$address', ${type.name})";
   }
 
   static Uint8List _fixed(int id) native "InternetAddress_Fixed";
 }
 
-class _NetworkInterface implements NetworkInterface{
+class _NetworkInterface implements NetworkInterface {
   final String name;
   final List<InternetAddress> addresses;
 
   _NetworkInterface(String this.name, List<InternetAddress> this.addresses);
 
   String toString() {
     return "NetworkInterface('$name', $addresses)";
   }
 }
 
@@ skipping 1061 matching lines @@
     if (_detachReady != null) {
       _detachReady.complete(null);
     } else {
       if (_raw != null) {
         _raw.shutdown(SocketDirection.SEND);
         _disableWriteEvent();
       }
     }
   }
 }