Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/Event.dart

Index: client/dom/generated/src/interface/Event.dart
diff --git a/client/dom/generated/src/interface/Event.dart b/client/dom/generated/src/interface/Event.dart
index 320c3e0fa43e1e0583f80ea0d374d7c538492fc1..16f80c53ffc3758f3e695a49d4cf413c221bd6cb 100644
--- a/client/dom/generated/src/interface/Event.dart
+++ b/client/dom/generated/src/interface/Event.dart
@@ -44,33 +44,29 @@ interface Event {
 
   static final int SELECT = 16384;
 
-  bool get bubbles();
+  final bool bubbles;
 
-  bool get cancelBubble();
+  bool cancelBubble;
 
-  void set cancelBubble(bool value);
+  final bool cancelable;
 
-  bool get cancelable();
+  final Clipboard clipboardData;
 
-  Clipboard get clipboardData();
+  final EventTarget currentTarget;
 
-  EventTarget get currentTarget();
+  final bool defaultPrevented;
 
-  bool get defaultPrevented();
+  final int eventPhase;
 
-  int get eventPhase();
+  bool returnValue;
 
-  bool get returnValue();
+  final EventTarget srcElement;
 
-  void set returnValue(bool value);
+  final EventTarget target;
 
-  EventTarget get srcElement();
+  final int timeStamp;
 
-  EventTarget get target();
-
-  int get timeStamp();
-
-  String get type();
+  final String type;
 
   void initEvent(String eventTypeArg, bool canBubbleArg, bool cancelableArg);