Get rid of a lot of () for getters.

lib/utf/utf_core.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.
 
 /**
  * Provide a list of Unicode codepoints for a given string.
  */
 List<int> stringToCodepoints(String str) {
   List<int> codepoints;
   // TODO _is16BitCodeUnit() is used to work around a bug with dart2js
@@ skipping 214 matching lines @@
       throw new IndexOutOfRangeException(_length);
     }
     if (_length + _offset > _source.length) {
       throw new IndexOutOfRangeException(_length + _offset);
     }
   }
 
   _ListRangeIterator iterator() =>
       new _ListRangeIteratorImpl(_source, _offset, _offset + _length);
 
-  int get length() => _length;
+  int get length => _length;
 }
 
 /**
  * The _ListRangeIterator provides more capabilities than a standard iterator,
  * including the ability to get the current position, count remaining items,
  * and move forward/backward within the iterator.
  */
 interface _ListRangeIterator extends Iterator<int> {
   bool hasNext();
   int next();
-  int get position();
+  int get position;
   void backup([by]);
-  int get remaining();
+  int get remaining;
   void skip([count]);
 }
 
 class _ListRangeIteratorImpl implements _ListRangeIterator {
   final List<int> _source;
   int _offset;
   final int _end;
 
   _ListRangeIteratorImpl(this._source, this._offset, this._end);
 
   bool hasNext() => _offset < _end;
 
   int next() => _source[_offset++];
 
-  int get position() => _offset;
+  int get position => _offset;
 
   void backup([int by = 1]) {
     _offset -= by;
   }
 
-  int get remaining() => _end - _offset;
+  int get remaining => _end - _offset;
 
   void skip([int count = 1]) {
     _offset += count;
   }
 }