Remove Registry arguments from Enqueuer.

pkg/compiler/lib/src/common/backend_api.dart

Index: pkg/compiler/lib/src/common/backend_api.dart
diff --git a/pkg/compiler/lib/src/common/backend_api.dart b/pkg/compiler/lib/src/common/backend_api.dart
index b095b230809e7c65cb78c1e79b78df1a36adc1e8..75a493d19c74ba6c626eba687cdd13f99afb6122 100644
--- a/pkg/compiler/lib/src/common/backend_api.dart
+++ b/pkg/compiler/lib/src/common/backend_api.dart
@@ -161,7 +161,13 @@ abstract class Backend {
 
   /// Called to notify to the backend that an interface type has been
   /// instantiated.

[sigurdm, 2015/09/29 14:37:09]

This comment is outdated cf. our offline discussion.

[Johnni Winther, 2015/09/30 08:00:57]

Done.

-  void registerInstantiatedType(InterfaceType type, Registry registry) {}
+  void registerInstantiatedType(InterfaceType type,
+                                Enqueuer enqueuer,
+                                Registry registry,
+                                {bool mirrorUsage: false}) {
+    registry.registerDependency(type.element);
+    enqueuer.registerInstantiatedType(type, mirrorUsage: mirrorUsage);
+  }
 
   /// Register an is check to the backend.
   void registerIsCheckForCodegen(DartType type,
@@ -189,7 +195,9 @@ abstract class Backend {
   void registerClosureWithFreeTypeVariables(
       Element closure,
       Enqueuer enqueuer,
-      Registry registry) {}
+      Registry registry) {
+    enqueuer.universe.closuresWithFreeTypeVariables.add(closure);
+  }
 
   /// Call this to register that a member has been closurized.
   void registerBoundClosure(Enqueuer enqueuer) {}