Remove Compiler access from ResolutionEnqueuer

tests/compiler/dart2js/dictionary_types_test.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.
 
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 import 'memory_compiler.dart';
 import 'compiler_helper.dart' show findElement;
 
 var SOURCES = const {
@@ skipping 123 matching lines @@
 }
 
 compileAndTest(source, checker, {createCode: false}) async {
   CompilationResult result = await runCompiler(
       entryPoint: Uri.parse('memory:' + source),
       memorySourceFiles: SOURCES,
       beforeRun: (compiler) {
         compiler.stopAfterTypeInference = !createCode;
       });
   var compiler = result.compiler;
-  var commonMasks = compiler.commonMasks;
-  var typesInferrer = compiler.globalInference.typesInferrer;
+  var commonMasks = compiler.closedWorld.commonMasks;
+  var typesInferrer = compiler.globalInference.typesInferrerInternal;
   getType(String name) {
     var element = findElement(compiler, name);
     return typesInferrer.getTypeOfElement(element);
   }
 
   if (!createCode) {
     checker(commonMasks, getType, compiler);
   } else {
     var element = compiler.mainFunction;
     var code = compiler.backend.getGeneratedCode(element);
     checker(code);
   }
 }