dart2js cps: Access to lazily initialized fields.

pkg/compiler/lib/src/js_backend/codegen/glue.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 code_generator_dependencies;
 
 import '../js_backend.dart';
 import '../../dart2jslib.dart';
 import '../../js_emitter/js_emitter.dart';
 import '../../js/js.dart' as js;
@@ skipping 42 matching lines @@
   }
 
   js.Expression isolateStaticClosureAccess(FunctionElement element) {
     return _backend.emitter.isolateStaticClosureAccess(element);
   }
 
   js.Expression staticFieldAccess(FieldElement element) {
     return _backend.emitter.staticFieldAccess(element);
   }
 
+  js.Expression isolateLazyInitializerAccess(FieldElement element) {
+    return _backend.emitter.isolateLazyInitializerAccess(element);
+  }
+
+  bool isLazilyInitialized(FieldElement element) {
+    return _backend.constants.lazyStatics.contains(element);
+  }
+
   String safeVariableName(String name) {
     return _namer.safeVariableName(name);
   }
 
   ClassElement get listClass => _compiler.listClass;
 
   ConstructorElement get mapLiteralConstructor {
     return _backend.mapLiteralConstructor;
   }
 
@@ skipping 141 matching lines @@
   String getTypeTestTag(DartType type) {
     return _backend.namer.operatorIsType(type);
   }
 
   bool operatorEqHandlesNullArgument(FunctionElement element) {
     return _backend.operatorEqHandlesNullArgument(element);
   }
 
   bool isListClass(ClassElement cls) => cls == _compiler.listClass;
 }