Change getters syntax in dart:io library.

runtime/bin/output_stream.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.
 
 /**
  * Output streams are used to write data sequentially to a data
  * destination e.g. a connected socket or an open file.
  *
  * An output stream provides internal buffering of the data written
  * through all calls to [write] and [writeFrom] if data cannot be
@@ skipping 58 matching lines @@
    * data.
    */
   void destroy();
 
   /**
    * Returns whether the stream has been closed by calling close(). If true, no
    * more data may be written to the output stream, but there still may be
    * buffered data that has not been written to the communication channel. The
    * onClosed handler will only be called once all data has been written out.
    */
-  bool get closed();
+  bool get closed;
 
   /**
    * Sets the handler that gets called when the internal OS buffers
    * have been flushed. This callback can be used to keep the rate of
    * writing in sync with the rate the system can write data to the
    * underlying communication channel.
    */
   void set onNoPendingWrites(void callback());
 
   /**
    * Sets the handler that gets called when the underlying communication channel
    * has been closed and all the buffered data has been sent.
    */
   void set onClosed(void callback());
 
   /**
    * Sets the handler that gets called when the underlying
    * communication channel gets into some kind of error situation.
    */
   void set onError(void callback(e));
 }