Make typedefs lazy again

test/codegen/expect/sunflower/dom.js

Index: test/codegen/expect/sunflower/dom.js
diff --git a/test/codegen/expect/sunflower/dom.js b/test/codegen/expect/sunflower/dom.js
index 189db1613c17c8d22767805fa2c486340ad799c3..4cf8d2f333e4dd419218d7a9d0d239731ad3d299 100644
--- a/test/codegen/expect/sunflower/dom.js
+++ b/test/codegen/expect/sunflower/dom.js
@@ -13,8 +13,8 @@ var core = dart.import(core);
     }
   }
   let overload = dart.const(new Overload());
+  let EventListener = dart.typedef('EventListener', () => dart.functionType(dart.void, [Event]));
   class Event extends core.Object {}
-  let EventListener = dart.typedef('EventListener', dart.functionType(dart.void, [Event]));
   let InputElement = HTMLInputElement;
   let CanvasElement = HTMLCanvasElement;
   class RenderingContext extends core.Object {}
@@ -35,8 +35,8 @@ var core = dart.import(core);
   exports.JsName = JsName;
   exports.Overload = Overload;
   exports.overload = overload;
-  exports.Event = Event;
   exports.EventListener = EventListener;
+  exports.Event = Event;
   exports.InputElement = InputElement;
   exports.CanvasElement = CanvasElement;
   exports.RenderingContext = RenderingContext;