Add equivalence check of NativeData and InterceptorData

tests/compiler/dart2js/kernel/closed_world2_test.dart

 // Copyright (c) 2017, 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.
 
 // Partial test that the closed world computed from [WorldImpact]s derived from
 // kernel is equivalent to the original computed from resolution.
 library dart2js.kernel.closed_world2_test;
 
 import 'dart:async';
 
@@ skipping 157 matching lines @@
   checkNativeClasses(compiler1, compiler2, equivalence);
 
   checkBackendUsage(backendUsage1, backendUsage2, equivalence);
 
   checkResolutionEnqueuers(backendUsage1, backendUsage2, enqueuer1, enqueuer2,
       elementEquivalence: equivalence.entityEquivalence,
       typeEquivalence: (ResolutionDartType a, DartType b) {
     return equivalence.typeEquivalence(unalias(a), b);
   }, elementFilter: elementFilter, verbose: arguments.verbose);
 
-  checkClosedWorlds(closedWorld1, closedWorld2, equivalence.entityEquivalence,
-      verbose: arguments.verbose);
+  checkClosedWorlds(closedWorld1, closedWorld2,
+      strategy: equivalence.defaultStrategy, verbose: arguments.verbose);
 
   return ResultKind.success;
 }
 
 void checkNativeClasses(
     Compiler compiler1, Compiler compiler2, KernelEquivalence equivalence) {
   Iterable<ClassEntity> nativeClasses1 = compiler1
       .backend.nativeResolutionEnqueuerForTesting.nativeClassesForTesting;
   Iterable<ClassEntity> nativeClasses2 = compiler2
       .backend.nativeResolutionEnqueuerForTesting.nativeClassesForTesting;
@@ skipping 110 matching lines @@
 
       classes2.add(cls2);
     });
     env2.forEachClass(lib2, (ClassEntity cls2) {
       Expect.isTrue(classes2.contains(cls2), "Extra class $cls2 in $lib2");
     });
   });
 
   // TODO(johnniwinther): Test the remaining properties of [ElementEnvironment].
 }