Split Universe into ResolutionUniverse and CodegenUniverse

pkg/compiler/lib/src/js_backend/backend.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 js_backend.backend;
 
 import 'dart:async' show Future;
 
 import 'package:js_runtime/shared/embedded_names.dart' as embeddedNames;
 
@@ skipping 1335 matching lines @@
     if (enqueuer.isResolutionQueue || methodNeedsRti(callMethod)) {
       registerComputeSignature(enqueuer, registry);
     }
   }
 
   void registerClosureWithFreeTypeVariables(
       Element closure, Enqueuer enqueuer, Registry registry) {
     if (enqueuer.isResolutionQueue || methodNeedsRti(closure)) {
       registerComputeSignature(enqueuer, registry);
     }
-    super.registerClosureWithFreeTypeVariables(closure, enqueuer, registry);
   }
 
   void registerBoundClosure(Enqueuer enqueuer) {
     helpers.boundClosureClass.ensureResolved(resolution);
     registerInstantiatedType(
         helpers.boundClosureClass.rawType,
         enqueuer,
         // Precise dependency is not important here.
         compiler.globalDependencies);
   }
@@ skipping 1831 matching lines @@
 
   @override
   void onImpactUsed(ImpactUseCase impactUse) {
     if (impactUse == DeferredLoadTask.IMPACT_USE && !supportSerialization) {
       // TODO(johnniwinther): Allow emptying when serialization has been
       // performed.
       resolution.emptyCache();
     }
   }
 }