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

runtime/bin/buffer_list.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.
 
 /**
  * Utility class that holds a number of byte buffers and can deliver
  * the bytes either one by one or in chunks.
  */
 class _BufferList {
   _BufferList() {
@@ skipping 10 matching lines @@
     _buffers.addLast(buffer);
     _length += buffer.length;
     if (offset != 0) _index = offset;
   }
 
   /**
    * Returns the first buffer from the list. This returns the whole
    * buffer and does not remove the buffer from the list. Use
    * [index] to determine the index of the first byte in the buffer.
    */
-  List<int> get first() => _buffers.first();
+  List<int> get first => _buffers.first();
 
   /**
    * Returns the current index of the next byte. This will always be
    * an index into the first buffer as when the index is advanced past
    * the end of a buffer it is removed from the list.
    */
-  int get index() =>  _index;
+  int get index =>  _index;
 
   /**
    * Peek at the next available byte.
    */
   int peek() => _buffers.first()[_index];
 
   /**
    * Returns the next available byte removing it from the buffers.
    */
   int next() {
@@ skipping 73 matching lines @@
     } else {
       _index += count;
     }
     _length -= count;
   }
 
 
   /**
    * Returns the total number of bytes remaining in the buffers.
    */
-  int get length() => _length;
+  int get length => _length;
 
   /**
    * Returns whether the buffer list is empty that is has no bytes
    * available.
    */
   bool isEmpty() => _buffers.isEmpty();
 
   /**
    * Clears the content of the buffer list.
    */
   void clear() {
     _index = 0;
     _length = 0;
     _buffers = new Queue();
   }
 
   int _length;  // Total number of bytes remaining in the buffers.
   Queue<List<int>> _buffers;  // List of data buffers.
   int _index;  // Index of the next byte in the first buffer.
 }