Support for observable models, fixes #259

test/data/input/text_top_level_test.html

Index: test/data/input/text_top_level_test.html
diff --git a/test/data/input/text_top_level_test.html b/test/data/input/text_top_level_test.html
index 119a4062cf103d821f7a01c1264ea5676dd6450e..dbc333e5d4d40cc650c96eb7595b60d07d64529e 100644
--- a/test/data/input/text_top_level_test.html
+++ b/test/data/input/text_top_level_test.html
@@ -14,14 +14,14 @@ BSD-style license that can be found in the LICENSE file.
   expect to see 'two': {{topLevelVar}}
   <script type="application/dart">
     import 'dart:html';
-    import 'package:web_ui/watcher.dart';
+    import 'package:web_ui/observe.dart';
     import 'common.dart';
 
     main() {
       window.setTimeout(() {
         topLevelVar = 'two';
-        dispatch();
-        window.setTimeout(() => window.postMessage('done', '*'), 0);
+        deliverChangesSync();
+        window.setImmediate(() => window.postMessage('done', '*'));
       }, 0);
     }
   </script>