Get rid of a lot of () for getters.

samples/calculator/settings.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 Settings {
   // theme values:
   static const THEME_SIMPLE = 1;
   static const THEME_BUTTON = 2;
 
   SettingsDialog ui;
@@ skipping 31 matching lines @@
     } else {
       close();
     }
   }
 
   void decorateDropdown() {
     ui.settings.style.backgroundColor = _dialogOpened ?
       "transparent" : "#333";
   }
 
-  bool get isOpen() => _dialogOpened;
+  bool get isOpen => _dialogOpened;
 
   /*
    * Optional MouseEvent if passed if the source of event is from outside of
    * the dialog then the dialog can be closed.
    */
   void close([MouseEvent e]) {
     if (isOpen) {
       if (ui.simple.checked) {
         theme = THEME_SIMPLE;
       } else if (ui.buttons.checked) {
         theme = THEME_BUTTON;
       }
 
       if (e == null || !ui.settingsDialog.contains(e.srcElement)) {
         decorateDropdown();
         ui.settingsDialog.style.visibility = "hidden";
         _dialogOpened = false;
       }
     }
   }
 
-  bool get isSimple() => theme == THEME_SIMPLE;
-  bool get isButton() => theme == THEME_BUTTON;
+  bool get isSimple => theme == THEME_SIMPLE;
+  bool get isButton => theme == THEME_BUTTON;
 
 }