Remove Compiler access from ResolutionEnqueuer

tests/compiler/dart2js/mirror_final_field_inferrer_test.dart

 // Copyright (c) 2013, 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.
 
 // Test that final fields in @MirrorsUsed are still inferred.
 
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 import 'memory_compiler.dart' show runCompiler;
 import 'compiler_helper.dart' show findElement;
@@ skipping 10 matching lines @@
   return field;
 }
 """
 };
 
 void main() {
   asyncTest(() async {
     var result = await runCompiler(memorySourceFiles: MEMORY_SOURCE_FILES);
     var compiler = result.compiler;
     var element = findElement(compiler, 'field');
-    var commonMasks = compiler.commonMasks;
-    var typesInferrer = compiler.globalInference.typesInferrer;
+    var commonMasks = compiler.closedWorld.commonMasks;
+    var typesInferrer = compiler.globalInference.typesInferrerInternal;
     Expect.equals(commonMasks.uint31Type,
         simplify(typesInferrer.getTypeOfElement(element), compiler), 'field');
   });
 }