Register deserialized lazy statics.

tests/compiler/dart2js/serialization/model_test.dart

 // Copyright (c) 2015, 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.serialization_model_test;
 
 import 'dart:async';
 import 'dart:io';
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 import 'package:compiler/src/closure.dart';
 import 'package:compiler/src/commandline_options.dart';
 import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'package:compiler/src/filenames.dart';
+import 'package:compiler/src/js_backend/js_backend.dart';
 import 'package:compiler/src/serialization/equivalence.dart';
 import 'package:compiler/src/tree/nodes.dart';
 import 'package:compiler/src/universe/class_set.dart';
 import '../memory_compiler.dart';
 import 'helper.dart';
 import 'test_data.dart';
 import 'test_helper.dart';
 
 main(List<String> args) {
   asyncTest(() async {
@@ skipping 84 matching lines @@
       verbose: verbose);
 
   checkClassHierarchyNodes(
       compilerNormal,
       compilerDeserialized,
       compilerNormal.world.getClassHierarchyNode(
           compilerNormal.coreClasses.objectClass),
       compilerDeserialized.world.getClassHierarchyNode(
           compilerDeserialized.coreClasses.objectClass),
       verbose: verbose);
+
+  JavaScriptBackend backend1 = compilerNormal.backend;
+  JavaScriptBackend backend2 = compilerDeserialized.backend;
+  checkSets(
+      backend1.constants.lazyStatics,
+      backend2.constants.lazyStatics,
+      "Lazy statics",
+      areElementsEquivalent,
+      verbose: verbose);
+
 }
 
 void checkElements(
     Compiler compiler1, Compiler compiler2,
     Element element1, Element element2,
     {bool verbose: false}) {
   if (element1.isFunction ||
       element1.isConstructor ||
       (element1.isField && element1.isInstanceMember)) {
     AstElement astElement1 = element1;
@@ skipping 269 matching lines @@
   return true;
 }
 
 String nodeToString(Node node) {
   String text = '$node';
   if (text.length > 40) {
     return '(${node.runtimeType}) ${text.substring(0, 37)}...';
   }
   return '(${node.runtimeType}) $text';
 }