Late creation of CodegenEnqueuerListener and CodegenWorldBuilder

tests/compiler/dart2js/type_representation_test.dart

Index: tests/compiler/dart2js/type_representation_test.dart
diff --git a/tests/compiler/dart2js/type_representation_test.dart b/tests/compiler/dart2js/type_representation_test.dart
index 8dccc47e71f22c26c59763edc9d20e298d5709f9..a1f9fcab6492582f0c3a327a55301caba58b6710 100644
--- a/tests/compiler/dart2js/type_representation_test.dart
+++ b/tests/compiler/dart2js/type_representation_test.dart
@@ -46,8 +46,8 @@ void testTypeRepresentations() {
         var closedWorldRefiner = env.compiler.closeResolution();
         env.compiler.backend.onCodegenStart(
             closedWorldRefiner.closedWorld,
-            new CodegenWorldBuilderImpl(
-                env.compiler.backend, const TypeMaskStrategy()));
+            new CodegenWorldBuilderImpl(env.compiler.backend,
+                closedWorldRefiner.closedWorld, const TypeMaskStrategy()));
         TypeRepresentationGenerator typeRepresentation =
             new TypeRepresentationGenerator(
                 env.compiler.backend.namer, env.compiler.backend.emitter);