Register closures using StaticUse.

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

 // Copyright (c) 2014, 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.resolution.registry;
 
 import '../common.dart';
 import '../common/backend_api.dart' show
     Backend,
     ForeignResolver;
@@ skipping 296 matching lines @@
 
   void registerMetadataConstant(MetadataAnnotation metadata) {
     backend.registerMetadataConstant(metadata, metadata.annotatedElement, this);
   }
 
   /// Register the use of a type.
   void registerTypeUse(TypeUse typeUse) {
     worldImpact.registerTypeUse(typeUse);
   }
 
-  void registerClosure(LocalFunctionElement element) {
-    worldImpact.registerClosure(element);
-  }
-
   void registerSuperUse(Node node) {
     mapping.addSuperUse(node);
   }
 
   void registerTypeLiteral(Send node, DartType type) {
     mapping.setType(node, type);
     worldImpact.registerTypeUse(new TypeUse.typeLiteral(type));
   }
 
   void registerLiteralList(Node node,
@@ skipping 81 matching lines @@
   @override
   void registerInstantiatedType(InterfaceType type) {
     registry.registerInstantiation(type);
   }
 
   @override
   DartType resolveTypeFromString(Node node, String typeName) {
     return visitor.resolveTypeFromString(node, typeName);
   }
 }