Remove Compiler access from ResolutionEnqueuer

tests/compiler/dart2js/type_inference_switch_test.dart

 // Copyright (c) 2011, 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:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
 import 'compiler_helper.dart';
 import 'type_mask_test_helper.dart';
 
 import 'dart:async';
@@ skipping 117 matching lines @@
 main() {
   foo(new DateTime.now().millisecondsSinceEpoch);
 }
 """;
 
 Future runTest(String test, checker) {
   Uri uri = new Uri(scheme: 'source');
   var compiler = compilerFor(test, uri);
 
   checkTypeOf(String name, TypeMask type) {
-    var commonMasks = compiler.commonMasks;
-    var typesInferrer = compiler.globalInference.typesInferrer;
+    var commonMasks = compiler.closedWorld.commonMasks;
+    var typesInferrer = compiler.globalInference.typesInferrerInternal;
     var element = findElement(compiler, name);
     var mask = typesInferrer.getReturnTypeOfElement(element);
     Expect.equals(type, simplify(mask, compiler));
   }
 
   return compiler.run(uri).then((_) {
-    checker(compiler.commonMasks, checkTypeOf);
+    checker(compiler.closedWorld.commonMasks, checkTypeOf);
   });
 }
 
 main() {
   asyncTest(() async {
     await runTest(TEST1, (t, c) => c("foo", t.stringType));
     await runTest(TEST2, (t, c) => c("foo", t.stringType.nullable()));
     await runTest(TEST3, (t, c) => c("foo", t.uint31Type.nullable()));
     await runTest(TEST4, (t, c) => c("foo", t.uint31Type));
     await runTest(TEST5, (t, c) => c("foo", t.uint31Type.nullable()));
     await runTest(TEST6, (t, c) => c("foo", t.uint31Type.nullable()));
   });
 }