Revert "More functionality in kernel_impact." and "Compute NativeBehavior for foreign functions."

pkg/compiler/lib/src/serialization/equivalence.dart

 // Copyright (c) 2016, 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.
 
 /// Functions for asserting equivalence across serialization.
 
 library dart2js.serialization.equivalence;
 
 import '../closure.dart';
 import '../common/resolution.dart';
@@ skipping 972 matching lines @@
           impact2.dynamicUses, areDynamicUsesEquivalent) &&
       strategy.testSets(
           impact1, impact2, 'features', impact1.features, impact2.features) &&
       strategy.testSets(impact1, impact2, 'listLiterals', impact1.listLiterals,
           impact2.listLiterals, areListLiteralUsesEquivalent) &&
       strategy.testSets(impact1, impact2, 'mapLiterals', impact1.mapLiterals,
           impact2.mapLiterals, areMapLiteralUsesEquivalent) &&
       strategy.testSets(impact1, impact2, 'staticUses', impact1.staticUses,
           impact2.staticUses, areStaticUsesEquivalent) &&
       strategy.testSets(impact1, impact2, 'typeUses', impact1.typeUses,
-          impact2.typeUses, areTypeUsesEquivalent) &&
-      strategy.testSets(impact1, impact2, 'nativeData', impact1.nativeData,
-          impact2.nativeData, testNativeBehavior);
+          impact2.typeUses, areTypeUsesEquivalent);
 }
 
 /// Tests the equivalence of [resolvedAst1] and [resolvedAst2] using [strategy].
 bool testResolvedAstEquivalence(
     ResolvedAst resolvedAst1, ResolvedAst resolvedAst2,
     [TestStrategy strategy = const TestStrategy()]) {
   if (!strategy.test(resolvedAst1, resolvedAst1, 'kind', resolvedAst1.kind,
       resolvedAst2.kind)) {
     return false;
   }
@@ skipping 1027 matching lines @@
 }
 
 bool areMetadataAnnotationsEquivalent(
     MetadataAnnotation metadata1, MetadataAnnotation metadata2) {
   if (metadata1 == metadata2) return true;
   if (metadata1 == null || metadata2 == null) return false;
   return areElementsEquivalent(
           metadata1.annotatedElement, metadata2.annotatedElement) &&
       areConstantsEquivalent(metadata1.constant, metadata2.constant);
 }