Cleanup registration of closures

pkg/compiler/lib/src/js_backend/mirrors_data.dart

 // Copyright (c) 2017, 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.
 
 import '../closure.dart';
 import '../common.dart';
 import '../common_elements.dart';
 import '../compiler.dart';
 import '../constants/values.dart';
 import '../elements/elements.dart';
@@ skipping 255 matching lines @@
       ResolutionWorldBuilder worldBuilder, ClosedWorld closedWorld) {
     if (_membersNeededForReflection != null) return;
     if (closedWorld.commonElements.mirrorsLibrary == null) {
       _membersNeededForReflection = const ImmutableEmptySet<Element>();
       return;
     }
     // Compute a mapping from class to the closures it contains, so we
     // can include the correct ones when including the class.
     Map<ClassElement, List<LocalFunctionElement>> closureMap =
         new Map<ClassElement, List<LocalFunctionElement>>();
-    for (LocalFunctionElement closure in worldBuilder.allClosures) {
+    for (LocalFunctionElement closure in worldBuilder.localFunctions) {
       closureMap.putIfAbsent(closure.enclosingClass, () => []).add(closure);
     }
     bool foundClosure = false;
     Set<Element> reflectableMembers = new Set<Element>();
     for (ClassElement cls in worldBuilder.directlyInstantiatedClasses) {
       // Do not process internal classes.
       if (cls.library.isInternalLibrary || cls.isInjected) continue;
       if (referencedFromMirrorSystem(cls)) {
         Set<Name> memberNames = new Set<Name>();
         // 1) the class (should be resolved)
@@ skipping 90 matching lines @@
           foundClosure = true;
         }
       }
     }
     // As we do not think about closures as classes, yet, we have to make sure
     // their superclasses are available for reflection manually.
     if (foundClosure) {
       ClassElement cls = _helpers.closureClass;
       reflectableMembers.add(cls);
     }
-    Set<Element> closurizedMembers = worldBuilder.closurizedMembers;
+    Set<MethodElement> closurizedMembers = worldBuilder.closurizedMembers;
     if (closurizedMembers.any(reflectableMembers.contains)) {
       ClassElement cls = _helpers.boundClosureClass;
       reflectableMembers.add(cls);
     }
     // Add typedefs.
     reflectableMembers
         .addAll(closedWorld.allTypedefs.where(referencedFromMirrorSystem));
     // Register all symbols of reflectable elements
     for (Element element in reflectableMembers) {
       symbolsUsed.add(element.name);
@@ skipping 13 matching lines @@
   }
 
   /// Called when [:const Symbol(name):] is seen.
   void registerConstSymbol(String name) {
     symbolsUsed.add(name);
     if (name.endsWith('=')) {
       symbolsUsed.add(name.substring(0, name.length - 1));
     }
   }
 }