| Index: pkg/compiler/lib/src/js_backend/backend.dart | 
| diff --git a/pkg/compiler/lib/src/js_backend/backend.dart b/pkg/compiler/lib/src/js_backend/backend.dart | 
| index 09af361a5becce07fe3de88bc306eed32620899e..3e4fcdfcff2c097760da0c86469d12968a7a05b5 100644 | 
| --- a/pkg/compiler/lib/src/js_backend/backend.dart | 
| +++ b/pkg/compiler/lib/src/js_backend/backend.dart | 
| @@ -50,7 +50,7 @@ import '../types/types.dart'; | 
| import '../universe/call_structure.dart' show CallStructure; | 
| import '../universe/feature.dart'; | 
| import '../universe/selector.dart' show Selector; | 
| -import '../universe/universe.dart'; | 
| +import '../universe/world_builder.dart'; | 
| import '../universe/use.dart' | 
| show DynamicUse, StaticUse, StaticUseKind, TypeUse, TypeUseKind; | 
| import '../universe/world_impact.dart' | 
|  |