Index: pkg/polymer/lib/polymer.dart |
diff --git a/pkg/polymer/lib/polymer.dart b/pkg/polymer/lib/polymer.dart |
index ff80921bd55b1ce768556377ac161ac7507516d8..8ccfaffc771e2be5e0f62e1c31967b776750972f 100644 |
--- a/pkg/polymer/lib/polymer.dart |
+++ b/pkg/polymer/lib/polymer.dart |
@@ -40,7 +40,7 @@ |
library polymer; |
import 'dart:async'; |
-import 'dart:collection' show HashMap; |
+import 'dart:collection' show HashMap, HashSet; |
import 'dart:html'; |
import 'dart:js' as js; |