Implement constructor bodies and initializers in CPS->JS backend.

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..916fcb81d4347c92393337c026135fe8473b3ca4 100644
--- a/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
@@ -140,10 +140,5 @@ class Emitter implements emitterTask.Emitter {
   }
 
   @override
-  js.PropertyAccess closureClassConstructorAccess(ClassElement element) {
-    return _globalPropertyAccess(element);
-  }
-
-  @override
   void invalidateCaches() {}
 }