Update the streams interfaces

runtime/bin/socket_impl.dart

 // Copyright (c) 2011, 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.
 
 /*
  * SocketNativeWrapper is defined in native and holds a field to store the
  * native socket object.
  */
 class _SocketBase {
 
@@ skipping 23 matching lines @@
 
   /*
    * Multiplexes socket events to the right socket handler.
    */
   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) && _handlerMap[i] !== null) {
+          print("Event " + i);
           var handleEvent = _handlerMap[i];
           /*
            * Unregister the out handler before executing it.
            */
           if (i == _OUT_EVENT) {
             _setHandler(i, null);
           }
           handleEvent();
         }
       }
@@ skipping 216 matching lines @@
 
   void setDataHandler(void callback()) {
     _setHandler(_IN_EVENT, callback);
   }
 
   void setCloseHandler(void callback()) {
     _setHandler(_CLOSE_EVENT, callback);
   }
 
   InputStream get inputStream() {
+    if (_inputStream2 != null) {
+      throw new SocketIOException("Illegal input stream use");
+    }
     if (_inputStream === null) {
       _inputStream = new SocketInputStream(this);
     }
     return _inputStream;
   }
 
+  InputStream2 get inputStream2() {
+    if (_inputStream != null) {
+      throw new SocketIOException("Illegal input stream use");
+    }
+    if (_inputStream2 === null) {
+      _inputStream2 = new SocketInputStream2(this);
+    }
+    return _inputStream2;
+  }
+
   OutputStream get outputStream() {
     if (_outputStream === null) {
       _outputStream = new SocketOutputStream(this);
     }
     return _outputStream;
   }
 
   SocketInputStream _inputStream;
+  SocketInputStream2 _inputStream2;
   SocketOutputStream _outputStream;
 }