Add NativeClassData/NativeClassDataBuilder

pkg/compiler/lib/src/js_backend/interceptor_data.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.
 
 library js_backend.interceptor_data;
 
 import '../common/names.dart' show Identifiers;
 import '../common/resolution.dart' show Resolution;
 import '../common_elements.dart' show CommonElements;
 import '../elements/elements.dart';
@@ skipping 28 matching lines @@
   bool mayGenerateInstanceofCheck(DartType type);
 }
 
 abstract class InterceptorDataBuilder {
   void addInterceptors(ClassEntity cls);
   void addInterceptorsForNativeClassMembers(ClassEntity cls);
   InterceptorData onResolutionComplete(ClosedWorld closedWorld);
 }
 
 class InterceptorDataImpl implements InterceptorData {
-  final NativeData _nativeData;
+  final NativeClassData _nativeData;
   final BackendHelpers _helpers;
   final ClosedWorld _closedWorld;
 
   /// The members of instantiated interceptor classes: maps a member name to the
   /// list of members that have that name. This map is used by the codegen to
   /// know whether a send must be intercepted or not.
   final Map<String, Set<Element>> _interceptedElements;
 
   /// Set of classes whose methods are intercepted.
   final Set<ClassElement> _interceptedClasses;
@@ skipping 147 matching lines @@
 
     if (!type.treatAsRaw) return false;
     InterfaceType interfaceType = type;
     ClassEntity classElement = interfaceType.element;
     if (isInterceptedClass(classElement)) return false;
     return _closedWorld.hasOnlySubclasses(classElement);
   }
 }
 
 class InterceptorDataBuilderImpl implements InterceptorDataBuilder {
-  final NativeData _nativeData;
+  final NativeClassData _nativeData;
   final BackendHelpers _helpers;
   final CommonElements _commonElements;
   final Resolution _resolution;
 
   /// The members of instantiated interceptor classes: maps a member name to the
   /// list of members that have that name. This map is used by the codegen to
   /// know whether a send must be intercepted or not.
   final Map<String, Set<Element>> _interceptedElements =
       <String, Set<Element>>{};
 
@@ skipping 104 matching lines @@
     jsAst.Name name = namer.nameForGetInterceptor(classes);
     if (classes.contains(_helpers.jsInterceptorClass)) {
       // We can't use a specialized [getInterceptorMethod], so we make
       // sure we emit the one with all checks.
       _specializedGetInterceptors[name] = _interceptorData.interceptedClasses;
     } else {
       _specializedGetInterceptors[name] = classes;
     }
   }
 }