Make sure to close when _BaseDataInputStream reaches the end

runtime/bin/stream_util.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.
 
 class _BaseDataInputStream {
   abstract int available();
 
   List<int> read([int len]) {
     if (_closeCallbackCalled) return null;
     int bytesToRead = available();
@@ skipping 64 matching lines @@
 
     // Schedule data callback if there is more data to read. Schedule
     // close callback once when all data has been read. Only schedule
     // a new callback if the previous one has actually been called.
     if (!_closeCallbackCalled) {
       if (available() > 0) {
         if (_scheduledDataCallback == null) {
           _scheduledDataCallback = new Timer(issueDataCallback, 0);
         }
       } else if (_streamMarkedClosed && !_closeCallbackCalled) {
+        _close();
         _scheduledCloseCallback = new Timer(issueCloseCallback, 0);
         _closeCallbackCalled = true;
       }
     }
   }
 
   // When this is set to true the stream is marked closed. When a
   // stream is marked closed no more data can arrive and the value
   // from available is now all remaining data. If this is true and the
   // value of available is zero the close handler is called.
@@ skipping 37 matching lines @@
     input.dataHandler = pipeDataHandler;
     output.noPendingWriteHandler = null;
   };
 
   _inputCloseHandler = input._clientCloseHandler;
   input.dataHandler = pipeDataHandler;
   input.closeHandler = pipeCloseHandler;
   output.noPendingWriteHandler = null;
 }