Secure server sockets for dart:io. Add TlsServerSocket class, providing SSL server sockets.

runtime/bin/tls_socket_patch.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.
 
 patch class TlsSocket {
-  /* patch */ static void setCertificateDatabase(String pkcertDirectory)
+  /* patch */ static void setCertificateDatabase(String certificateDatabase,
+                                                 [String password])
       native "TlsSocket_SetCertificateDatabase";
 }
 
 
 patch class _TlsFilter {
   /* patch */ factory _TlsFilter() => new _TlsFilterImpl();
 }
 
 
 /**
  * _TlsFilterImpl wraps a filter that encrypts and decrypts data travelling
  * over a TLS encrypted socket.  The filter also handles the handshaking
  * and certificate verification.
  *
  * The filter exposes its input and output buffers as Dart objects that
  * are backed by an external C array of bytes, so that both Dart code and
  * native code can access the same data.
  */
 class _TlsFilterImpl extends NativeFieldWrapperClass1 implements _TlsFilter {
   _TlsFilterImpl() {
     buffers = new List<_TlsExternalBuffer>(_TlsSocket.NUM_BUFFERS);
     for (int i = 0; i < _TlsSocket.NUM_BUFFERS; ++i) {
       buffers[i] = new _TlsExternalBuffer();
     }
   }
 
-  void connect(String hostName, int port) native "TlsSocket_Connect";
+  void connect(String hostName,
+               int port,
+               bool is_server,
+               String certificate_name) native "TlsSocket_Connect";
 
   void destroy() {
     buffers = null;
     _destroy();
   }
 
   void _destroy() native "TlsSocket_Destroy";
 
   void handshake() native "TlsSocket_Handshake";
 
   void init() native "TlsSocket_Init";
 
   int processBuffer(int bufferIndex) native "TlsSocket_ProcessBuffer";
 
   void registerHandshakeCompleteCallback(Function handshakeCompleteHandler)
       native "TlsSocket_RegisterHandshakeCompleteCallback";
 
   List<_TlsExternalBuffer> buffers;
 }