Support user class in compile_from_dill_test

pkg/compiler/lib/src/universe/resolution_world_builder.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.
 
 part of world_builder;
 
 abstract class ResolutionWorldBuilder implements WorldBuilder, OpenWorld {
   /// Set of all local functions in the program. Used by the mirror tracking
   /// system to find all live closure instances.
   Iterable<Local> get localFunctions;
@@ skipping 913 matching lines @@
     forEachInstantiatedClass(addSubtypes);
 
     _classHierarchyNodes.keys.toList().forEach(_ensureClassSet);
 
     return typesImplementedBySubclasses;
   }
 }
 
 abstract class KernelResolutionWorldBuilderBase
     extends ResolutionWorldBuilderBase {
+  KernelToElementMapImpl get elementMap;
+
   KernelResolutionWorldBuilderBase(
       ElementEnvironment elementEnvironment,
       CommonElements commonElements,
       ConstantSystem constantSystem,
       NativeBasicData nativeBasicData,
       NativeDataBuilder nativeDataBuilder,
       InterceptorDataBuilder interceptorDataBuilder,
       BackendUsageBuilder backendUsageBuilder,
       SelectorConstraintsStrategy selectorConstraintsStrategy)
       : super(
             elementEnvironment,
             commonElements,
             constantSystem,
             nativeBasicData,
             nativeDataBuilder,
             interceptorDataBuilder,
             backendUsageBuilder,
             selectorConstraintsStrategy);
 
   @override
   ClosedWorld closeWorld() {
     Map<ClassEntity, Set<ClassEntity>> typesImplementedBySubclasses =
         populateHierarchyNodes();
     _closed = true;
     assert(
         _classHierarchyNodes.length == _classSets.length,
         "ClassHierarchyNode/ClassSet mismatch: "
         "$_classHierarchyNodes vs $_classSets");
-    return _closedWorldCache = new KernelClosedWorld(
+    return _closedWorldCache = new KernelClosedWorld(elementMap,
+        elementEnvironment: _elementEnvironment,
         commonElements: _commonElements,
         nativeData: _nativeDataBuilder.close(),
         interceptorData: _interceptorDataBuilder.close(),
         backendUsage: _backendUsageBuilder.close(),
         constantSystem: _constantSystem,
         resolutionWorldBuilder: this,
         functionSet: _allFunctions.close(),
         allTypedefs: _allTypedefs,
         mixinUses: _mixinUses,
         typesImplementedBySubclasses: typesImplementedBySubclasses,
         classHierarchyNodes: _classHierarchyNodes,
         classSets: _classSets);
   }
 
   @override
   void registerClass(ClassEntity cls) {
     throw new UnimplementedError('KernelResolutionWorldBuilder.registerClass');
   }
 }