Get rid of a lot of () for getters.

lib/html/src/TouchEventWrappingImplementation.dart

Index: lib/html/src/TouchEventWrappingImplementation.dart
diff --git a/lib/html/src/TouchEventWrappingImplementation.dart b/lib/html/src/TouchEventWrappingImplementation.dart
index a02dbff3ce5bb5ea7547cd9776ab8967c0afe094..20d062381e5a02d29320be73f7771199340234ec 100644
--- a/lib/html/src/TouchEventWrappingImplementation.dart
+++ b/lib/html/src/TouchEventWrappingImplementation.dart
@@ -16,17 +16,17 @@ class TouchEventWrappingImplementation extends UIEventWrappingImplementation imp
     return LevelDom.wrapTouchEvent(e);
   }
 
-  bool get altKey() => _ptr.altKey;
+  bool get altKey => _ptr.altKey;
 
-  TouchList get changedTouches() => LevelDom.wrapTouchList(_ptr.changedTouches);
+  TouchList get changedTouches => LevelDom.wrapTouchList(_ptr.changedTouches);
 
-  bool get ctrlKey() => _ptr.ctrlKey;
+  bool get ctrlKey => _ptr.ctrlKey;
 
-  bool get metaKey() => _ptr.metaKey;
+  bool get metaKey => _ptr.metaKey;
 
-  bool get shiftKey() => _ptr.shiftKey;
+  bool get shiftKey => _ptr.shiftKey;
 
-  TouchList get targetTouches() => LevelDom.wrapTouchList(_ptr.targetTouches);
+  TouchList get targetTouches => LevelDom.wrapTouchList(_ptr.targetTouches);
 
-  TouchList get touches() => LevelDom.wrapTouchList(_ptr.touches);
+  TouchList get touches => LevelDom.wrapTouchList(_ptr.touches);
 }