Add option for outputting a deferred loading mapping.

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 dead0f481fec23b8ca7ffa4aa94614602440fb8b..3a55ec88c896a439ca8199a2a11f0af871423b9c 100644
--- a/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
@@ -13,6 +13,7 @@ import '../../js_backend/js_backend.dart' show Namer, JavaScriptBackend;
 import '../../js_emitter/js_emitter.dart' as emitterTask show
     CodeEmitterTask,
     Emitter;
+import '../../deferred_load.dart';
 
 class Emitter implements emitterTask.Emitter {
   final Compiler _compiler;
@@ -73,7 +74,7 @@ class Emitter implements emitterTask.Emitter {
   }
 
   js.Expression isolateLazyInitializerAccess(Element element) {
-    return js.js('#.#', [namer.globalObjectFor(element), 
+    return js.js('#.#', [namer.globalObjectFor(element),
                          namer.getLazyInitializerName(element)]);
   }
 
@@ -81,7 +82,7 @@ class Emitter implements emitterTask.Emitter {
     return js.js('#.#()',
         [namer.globalObjectFor(element), namer.getStaticClosureName(element)]);
   }
-  
+
   js.PropertyAccess globalPropertyAccess(Element element) {
      String name = namer.getNameX(element);
      js.PropertyAccess pa = new js.PropertyAccess.field(
@@ -93,18 +94,19 @@ class Emitter implements emitterTask.Emitter {
   js.PropertyAccess staticFieldAccess(Element element) {
     return globalPropertyAccess(element);
   }
-  
+
   js.PropertyAccess staticFunctionAccess(Element element) {
     return globalPropertyAccess(element);
   }
-  
+
   js.PropertyAccess classAccess(Element element) {
       return globalPropertyAccess(element);
   }
-  
+
   js.PropertyAccess typedefAccess(Element element) {
       return globalPropertyAccess(element);
   }
-  
+
   void invalidateCaches() {}
+
 }