Remove Compiler access from ResolutionEnqueuer

tests/compiler/dart2js/type_mask_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.
 
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 import 'package:compiler/src/types/types.dart';
 
 import 'compiler_helper.dart';
 
 const String CODE = """
 class A {}
 class B extends A {}
 class C implements A {}
 class D implements A {}
 main() {
   print([new A(), new B(), new C(), new D()]);
 }
 """;
 
 main() {
   Uri uri = new Uri(scheme: 'source');
   var compiler = compilerFor(CODE, uri);
-  var closedWorld = compiler.openWorld.closeWorld();
+  var closedWorld = compiler.openWorld.closeWorld(compiler.reporter);
 
   asyncTest(() => compiler.run(uri).then((_) {
         var classA = findElement(compiler, 'A');
         var classB = findElement(compiler, 'B');
         var classC = findElement(compiler, 'C');
         var classD = findElement(compiler, 'D');
 
         var exactA = new TypeMask.nonNullExact(classA, closedWorld);
         var exactB = new TypeMask.nonNullExact(classB, closedWorld);
         var exactC = new TypeMask.nonNullExact(classC, closedWorld);
@@ skipping 86 matching lines @@
         rule(unionABC, unionABnC, true);
         rule(exactA.nullable(), unionABnC, true);
         rule(exactA.nullable(), unionABC, false);
         rule(exactB, unionABnC, true);
         rule(unionBCDn, unionBCD, false);
         rule(unionBCD, unionBCDn, true);
         rule(exactB.nullable(), unionBCDn, true);
         rule(exactB.nullable(), unionBCD, false);
       }));
 }