Remove Compiler access from ResolutionEnqueuer

tests/compiler/dart2js/simple_inferrer_unregister_call_test.dart

Index: tests/compiler/dart2js/simple_inferrer_unregister_call_test.dart
diff --git a/tests/compiler/dart2js/simple_inferrer_unregister_call_test.dart b/tests/compiler/dart2js/simple_inferrer_unregister_call_test.dart
index 1253b834ad7d2a2e563c17a875f7f20a17a83cfb..f0be6f8b10e7ffd225c03238b17ebfd9c4d3207d 100644
--- a/tests/compiler/dart2js/simple_inferrer_unregister_call_test.dart
+++ b/tests/compiler/dart2js/simple_inferrer_unregister_call_test.dart
@@ -32,7 +32,7 @@ void main() {
   Uri uri = new Uri(scheme: 'source');
   var compiler = compilerFor(TEST, uri);
   asyncTest(() => compiler.run(uri).then((_) {
-        var typesInferrer = compiler.globalInference.typesInferrer;
+        var typesInferrer = compiler.globalInference.typesInferrerInternal;
 
         checkReturnInClass(String className, String methodName, type) {
           var cls = findElement(compiler, className);
@@ -40,6 +40,7 @@ void main() {
           Expect.equals(type, typesInferrer.getReturnTypeOfElement(element));
         }
 
-        checkReturnInClass('A', '+', compiler.commonMasks.uint31Type);
+        checkReturnInClass(
+            'A', '+', compiler.closedWorld.commonMasks.uint31Type);
       }));
 }