Split Universe into ResolutionUniverse and CodegenUniverse

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

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.backend_api;
 
 import 'dart:async' show Future;
 
 import '../common.dart';
 import '../common/codegen.dart' show CodegenImpact;
@@ skipping 135 matching lines @@
   /**
    * Call this to register that an instantiated generic class has a call
    * method.
    */
   void registerCallMethodWithFreeTypeVariables(
       Element callMethod, Enqueuer enqueuer, Registry registry) {}
 
   /// Called to instruct the backend to register that a closure exists for a
   /// function on an instantiated generic class.
   void registerClosureWithFreeTypeVariables(
-      Element closure, Enqueuer enqueuer, Registry registry) {
-    enqueuer.universe.closuresWithFreeTypeVariables.add(closure);
-  }
+      Element closure, Enqueuer enqueuer, Registry registry) {}
 
   /// Call this to register that a member has been closurized.
   void registerBoundClosure(Enqueuer enqueuer) {}
 
   /// Call this to register that a static function has been closurized.
   void registerGetOfStaticFunction(Enqueuer enqueuer) {}
 
   /**
    * Call this to register that the [:runtimeType:] property has been accessed.
    */
@@ skipping 235 matching lines @@
   }
 }
 
 /// Interface for serialization of backend specific data.
 class BackendSerialization {
   const BackendSerialization();
 
   SerializerPlugin get serializer => const SerializerPlugin();
   DeserializerPlugin get deserializer => const DeserializerPlugin();
 }