Chromium Code Reviews| Index: lib/src/utils_observe.dart |
| diff --git a/lib/src/utils_observe.dart b/lib/src/utils_observe.dart |
| index 670dda39a7f51214fa0b001b8dae219816d4dee4..af1cfc2bec97463ef78fed424098675b45eafc33 100644 |
| --- a/lib/src/utils_observe.dart |
| +++ b/lib/src/utils_observe.dart |
| @@ -4,7 +4,6 @@ |
| library web_ui.src.utils_observe; |
| -import 'dart:async'; |
| import 'dart:collection'; |
| // TODO(jmesserly): helpers to combine hash codes. Reuse these from somewhere. |