Add option for outputting a deferred loading mapping.

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

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.new_js_emitter.emitter;
 
 import '../model.dart';
 import 'model_emitter.dart';
 import '../../common.dart';
 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,
     Emitter;
+import '../../deferred_load.dart';
 
 class Emitter implements emitterTask.Emitter {
   final Compiler _compiler;
   final Namer namer;
   final ModelEmitter _emitter;
 
   Emitter(Compiler compiler, Namer namer)
       : this._compiler = compiler,
         this.namer = namer,
         _emitter = new ModelEmitter(compiler, namer);
@@ skipping 40 matching lines @@
   js.Expression generateEmbeddedGlobalAccess(String global) {
     // TODO(floitsch): We should not use "init" for globals.
     return js.string("init.$global");
   }
 
   js.Expression constantReference(ConstantValue value) {
     return _emitter.constantEmitter.reference(value);
   }
 
   js.Expression isolateLazyInitializerAccess(Element element) {
-    return js.js('#.#', [namer.globalObjectFor(element), 
+    return js.js('#.#', [namer.globalObjectFor(element),
                          namer.getLazyInitializerName(element)]);
   }
 
   js.Expression isolateStaticClosureAccess(Element element) {
     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(
          new js.VariableUse(namer.globalObjectFor(element)),
          name);
      return pa;
    }
 
   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() {}
+
 }