Access NativeData only through ClosedWorld

pkg/compiler/lib/src/ssa/builder.dart

 // Copyright (c) 2012, 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.
 
 import 'dart:collection';
 
 import 'package:js_runtime/shared/embedded_names.dart';
 
 import '../closure.dart';
 import '../common.dart';
@@ skipping 197 matching lines @@
     assert(target.isImplementation);
     elementInferenceResults = _resultOf(target);
     assert(elementInferenceResults != null);
     graph.element = target;
     sourceElementStack.add(target);
     sourceInformationBuilder =
         sourceInformationFactory.createBuilderForContext(resolvedAst);
     graph.sourceInformation =
         sourceInformationBuilder.buildVariableDeclaration();
     localsHandler = new LocalsHandler(
-        this, target, null, backend.nativeData, backend.interceptorData);
+        this, target, null, closedWorld.nativeData, backend.interceptorData);
     loopHandler = new SsaLoopHandler(this);
     typeBuilder = new TypeBuilder(this);
   }
 
   Element get targetElement => target;
 
   /// Reference to resolved elements in [target]'s AST.
   TreeElements get elements => resolvedAst.elements;
 
   @override
@@ skipping 6513 matching lines @@
       this.oldReturnLocal,
       this.oldReturnType,
       this.oldResolvedAst,
       this.oldStack,
       this.oldLocalsHandler,
       this.inTryStatement,
       this.allFunctionsCalledOnce,
       this.oldElementInferenceResults)
       : super(function);
 }