Index: samples/tracker/web/task_form_element.dart |
diff --git a/samples/tracker/web/task_form_element.dart b/samples/tracker/web/task_form_element.dart |
index b3c2c8e50fdb459cb80ce6250f7c57ef07a8ace2..cabb8b295424c311c90b5f6dd38bbc2fb6281b89 100644 |
--- a/samples/tracker/web/task_form_element.dart |
+++ b/samples/tracker/web/task_form_element.dart |
@@ -10,7 +10,7 @@ import 'dart:html'; |
import 'dart:math'; |
@CustomTag('task-form-element') |
-class TaskFormElement extends PolymerElement with ObservableMixin { |
+class TaskFormElement extends PolymerElement with Observable { |
bool get applyAuthorStyles => true; |
@observable Task task; |
@observable String titleErrorMessage = ''; |