dart2js: Let the emitter generate the program.

pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart

Index: pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
index abbd29992ca465373d9c30ac514d7174d2db6783..7a2747309df6ed88ae9cc30c9a715fd0823d1703 100644
--- a/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
@@ -4,6 +4,7 @@
 
 library dart2js.new_js_emitter.emitter;
 
+import '../program_builder.dart' show ProgramBuilder;
 import '../model.dart';
 import 'model_emitter.dart';
 import '../../common.dart';
@@ -11,8 +12,7 @@ import '../../elements/elements.dart' show FieldElement;
 import '../../js/js.dart' as js;
 
 import '../../js_backend/js_backend.dart' show Namer, JavaScriptBackend;
-import '../../js_emitter/js_emitter.dart' as emitterTask show
-    CodeEmitterTask,
+import '../js_emitter.dart' as emitterTask show
     Emitter;
 
 class Emitter implements emitterTask.Emitter {
@@ -26,7 +26,8 @@ class Emitter implements emitterTask.Emitter {
         _emitter = new ModelEmitter(compiler, namer);
 
   @override
-  int emitProgram(Program program) {
+  int emitProgram(ProgramBuilder programBuilder) {
+    Program program = programBuilder.buildProgram();
     return _emitter.emitProgram(program);
   }