Remove public SocketInputStream and SocketOutputStream clases

runtime/bin/socket_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 _SocketBase extends NativeFieldWrapperClass1 {
   // Bit flags used when communicating between the eventhandler and
   // dart code. The EVENT flags are used to indicate events of
   // interest when sending a message from dart code to the
   // eventhandler. When receiving a message from the eventhandler the
@@ skipping 457 matching lines @@
 
   bool _isPipe() => _pipe;
 
   InputStream get inputStream {
     if (_inputStream == null) {
       if (_handlerMap[_SocketBase._IN_EVENT] !== null ||
           _handlerMap[_SocketBase._CLOSE_EVENT] !== null) {
         throw new StreamException(
             "Cannot get input stream when socket handlers are used");
       }
-      _inputStream = new SocketInputStream(this);
+      _inputStream = new _SocketInputStream(this);
     }
     return _inputStream;
   }
 
   OutputStream get outputStream {
     if (_outputStream == null) {
       if (_handlerMap[_SocketBase._OUT_EVENT] !== null) {
         throw new StreamException(
             "Cannot get input stream when socket handlers are used");
       }
-      _outputStream = new SocketOutputStream(this);
+      _outputStream = new _SocketOutputStream(this);
     }
     return _outputStream;
   }
 
   void set _onWrite(void callback()) {
     _setHandler(_SocketBase._OUT_EVENT, callback);
   }
 
   void set _onData(void callback()) {
     _setHandler(_SocketBase._IN_EVENT, callback);
@@ skipping 67 matching lines @@
   static void _ensureSocketService() {
     if (_socketService == null) {
       _socketService = _Socket._newServicePort();
     }
   }
 
   bool _seenFirstOutEvent = false;
   bool _pipe = false;
   Function _clientConnectHandler;
   Function _clientWriteHandler;
-  SocketInputStream _inputStream;
-  SocketOutputStream _outputStream;
+  _SocketInputStream _inputStream;
+  _SocketOutputStream _outputStream;
   String _remoteHost;
   int _remotePort;
   static SendPort _socketService;
 }