Use new getters syntax in dart:io. A few were missed in the first round of cleanup.

runtime/bin/chunked_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.
 
 class _ChunkedInputStream implements ChunkedInputStream {
   _ChunkedInputStream(InputStream this._input, [int chunkSize])
       : _chunkSize = chunkSize, _bufferList = new _BufferList() {
     if (_chunkSize === null) {
       _chunkSize = 0;
     }
@@ skipping 11 matching lines @@
       if (_bufferList.length == 0) {
         result = null;
       } else {
         result = _bufferList.readBytes(_bufferList.length);
       }
     }
     _checkInstallDataHandler();
     return result;
   }
 
-  int get chunkSize() => _chunkSize;
+  int get chunkSize => _chunkSize;
 
   void set chunkSize(int chunkSize) {
     _chunkSize = chunkSize;
     _checkInstallDataHandler();
     _checkScheduleCallback();
   }
 
-  bool get closed() => _closed;
+  bool get closed => _closed;
 
   void set onData(void callback()) {
     _clientDataHandler = callback;
     _checkInstallDataHandler();
   }
 
   void set onClosed(void callback()) {
     _clientCloseHandler = callback;
   }
 
@@ skipping 81 matching lines @@
   InputStream _input;
   _BufferList _bufferList;
   int _chunkSize;
   bool _inputClosed = false;  // Is the underlying input stream closed?
   bool _closed = false;  // Has the close handler been called?.
   Timer _scheduledDataCallback;
   Timer _scheduledCloseCallback;
   Function _clientDataHandler;
   Function _clientCloseHandler;
 }