Update documentation for secure networking classes. Remove certificateName parameter.

sdk/lib/io/http_impl.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.
 
 part of dart.io;
 
 const int _OUTGOING_BUFFER_SIZE = 8 * 1024;
 
 class _HttpIncoming extends Stream<List<int>> {
   final int _transferLength;
@@ skipping 2206 matching lines @@
             .then((socket) {
               return new _HttpServer._(socket, true);
             });
   }
 
   static Future<HttpServer> bindSecure(address,
                                        int port,
                                        SecurityContext context,
                                        int backlog,
                                        bool v6Only,
-                                       String certificate_name,
                                        bool requestClientCertificate,
                                        bool shared) {
     return SecureServerSocket.bind(
         address,
         port,
         context,
         backlog: backlog,
         v6Only: v6Only,
         requestClientCertificate: requestClientCertificate,
         shared: shared)
@@ skipping 625 matching lines @@
   const _RedirectInfo(this.statusCode, this.method, this.location);
 }
 
 String _getHttpVersion() {
   var version = Platform.version;
   // Only include major and minor version numbers.
   int index = version.indexOf('.', version.indexOf('.') + 1);
   version = version.substring(0, index);
   return 'Dart/$version (dart:io)';
 }