Get rid of a lot of () for getters.

pkg/dartdoc/dropdown.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.
 
 List libraryList;
 InputElement searchInput;
 DivElement dropdown;
 
 /**
  * Update the search drop down based on the current search text.
@@ skipping 246 matching lines @@
   if (index != _currentResultIndex) {
     _currentResultIndex = index;
     if (index >= 0) {
       currentResult = currentResults[_currentResultIndex];
     } else {
       currentResult = null;
     }
   }
 }
 
-int get currentResultIndex() => _currentResultIndex;
+int get currentResultIndex => _currentResultIndex;
 
 void set currentResult(Result result) {
   if (_currentResult != result) {
     if (_currentResult != null) {
       _currentResult.row.classes.remove('drop-down-link-select');
     }
     _currentResult = result;
     if (_currentResult != null) {
       _currentResult.row.classes.add('drop-down-link-select');
     }
   }
 }
 
-Result get currentResult() => _currentResult;
+Result get currentResult => _currentResult;
 
 /**
  * Navigate the search drop down using up/down inside the search field. Follow
  * the result link on enter.
  */
 void handleUpDown(KeyboardEvent event) {
   if (event.keyIdentifier == KeyName.UP) {
     currentResultIndex--;
     event.preventDefault();
   } else if (event.keyIdentifier == KeyName.DOWN) {
@@ skipping 43 matching lines @@
   dropdown = query('#drop-down');
 
   searchInput.on.keyDown.add(handleUpDown);
   searchInput.on.keyUp.add(updateDropDown);
   searchInput.on.change.add(updateDropDown);
   searchInput.on.reset.add(updateDropDown);
   searchInput.on.focus.add((event) => showDropDown());
   searchInput.on.blur.add((event) => hideDropDown());
   window.on.keyDown.add(shortcutHandler);
 }