Minor changes to the dart:io library files.

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 {
   // 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 20 matching lines @@
   static final int _LAST_EVENT = _CLOSE_EVENT;
 
   static final int _FIRST_COMMAND = _CLOSE_COMMAND;
   static final int _LAST_COMMAND = _SHUTDOWN_WRITE_COMMAND;
 
   _SocketBase () {
     _handlerMap = new List(_LAST_EVENT + 1);
     _handlerMask = 0;
     _canActivateHandlers = true;
     _id = -1;
-    EventHandler._start();
+    _EventHandler._start();
   }
 
   // Multiplexes socket events to the socket handlers.
   void _multiplex(List<int> message) {
     assert(message.length == 1);
     _canActivateHandlers = false;
     int event_mask = message[0];
     for (int i = _FIRST_EVENT; i <= _LAST_EVENT; i++) {
       if (((event_mask & (1 << i)) != 0)) {
         if ((i == _CLOSE_EVENT) && this is _Socket && _id >= 0) {
@@ skipping 104 matching lines @@
     _handler.close();
     _handler = null;
     _id = -1;
   }
 
   void _sendToEventHandler(int data) {
     if (_handler === null) {
       _handler = new ReceivePort();
       _handler.receive((var message, ignored) { _multiplex(message); });
     }
-    EventHandler._sendData(_id, _handler, data);
+    _EventHandler._sendData(_id, _handler, data);
   }
 
   abstract bool _isListenSocket();
   abstract bool _isPipe();
 
   // Socket id is set from native. -1 indicates that the socket was closed.
   int _id;
 
   // Dedicated ReceivePort for socket events.
   ReceivePort _handler;
@@ skipping 278 matching lines @@
   bool _seenFirstOutEvent = false;
   bool _closedRead = false;
   bool _closedWrite = false;
   bool _pipe = false;
   Function _clientConnectHandler;
   Function _clientWriteHandler;
   SocketInputStream _inputStream;
   SocketOutputStream _outputStream;
 }