Remove Registry

pkg/compiler/lib/src/resolution/registry.dart

Index: pkg/compiler/lib/src/resolution/registry.dart
diff --git a/pkg/compiler/lib/src/resolution/registry.dart b/pkg/compiler/lib/src/resolution/registry.dart
index 51d7e81f0552eb998b84c2a86e3a535c8a735f49..ce40fd03d8227c6a0dd89cf368e37cc042c0acf6 100644
--- a/pkg/compiler/lib/src/resolution/registry.dart
+++ b/pkg/compiler/lib/src/resolution/registry.dart
@@ -7,7 +7,6 @@ library dart2js.resolution.registry;
 import '../common.dart';
 import '../common/backend_api.dart'
     show Backend, ForeignResolver, NativeRegistry;
-import '../common/registry.dart' show Registry;
 import '../common/resolution.dart' show ResolutionImpact, Target;
 import '../constants/expressions.dart';
 import '../dart_types.dart';
@@ -154,7 +153,7 @@ class ResolutionWorldImpactBuilder extends WorldImpactBuilderImpl
 /// related information in a [TreeElements] mapping and registers calls with
 /// [Backend], [World] and [Enqueuer].
 // TODO(johnniwinther): Split this into an interface and implementation class.
-class ResolutionRegistry extends Registry {
+class ResolutionRegistry {
   final Target target;
   final TreeElementMapping mapping;
   final ResolutionWorldImpactBuilder impactBuilder;