Towards compiling Hello World!

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 0a345a6b06873f3c61592df08b07f048031151a9..e577d18e9f079fdb0d8c0df2779b1738879e9946 100644
--- a/tests/compiler/dart2js/type_representation_test.dart
+++ b/tests/compiler/dart2js/type_representation_test.dart
@@ -46,14 +46,7 @@ void testTypeRepresentations() {
       """).then((env) {
         var closedWorldRefiner = env.compiler.closeResolution();
         var closedWorld = closedWorldRefiner.closedWorld;
-        env.compiler.enqueuer.createCodegenEnqueuer(closedWorld);
-        env.compiler.backend.onCodegenStart(
-            closedWorld,
-            new ElementCodegenWorldBuilderImpl(
-                closedWorld.elementEnvironment,
-                env.compiler.backend.nativeBasicData,
-                closedWorld,
-                const TypeMaskStrategy()));
+        env.compiler.startCodegen(closedWorld);
         TypeRepresentationGenerator typeRepresentation =
             new TypeRepresentationGenerator(env.compiler.backend.namer);