Remove ClosedWorld.allFunctions

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 915 matching lines @@
     _closed = true;
     // TODO(johnniwinther): Implement this.
     return _closedWorldCache = new KernelClosedWorld(
         commonElements: _commonElements,
         // TODO(johnniwinther): Compute these.
         constantSystem: null,
         nativeData: null,
         interceptorData: null,
         backendUsage: null,
         resolutionWorldBuilder: this,
-        functionSetBuilder: _allFunctions,
+        functionSet: _allFunctions.close(),
         allTypedefs: _allTypedefs,
         mixinUses: _mixinUses,
         typesImplementedBySubclasses: typesImplementedBySubclasses,
         classHierarchyNodes: _classHierarchyNodes,
         classSets: _classSets);
   }
 
   @override
   void registerClass(ClassEntity cls) {
     throw new UnimplementedError('KernelResolutionWorldBuilder.registerClass');
   }
 }