Handle js interop members in impact computation.

pkg/compiler/lib/src/js_backend/backend_serialization.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.
 
 library js_backend.serialization;
 
 import '../common/backend_api.dart' show BackendSerialization;
 import '../elements/elements.dart';
 import '../elements/resolution_types.dart';
 import '../elements/types.dart';
@@ skipping 47 matching lines @@
       _backend.compiler.frontendStrategy.nativeBasicData;
   NativeDataBuilderImpl get nativeData => _backend.nativeDataBuilder;
 
   @override
   void onElement(Element element, ObjectEncoder createEncoder(String tag)) {
     ObjectEncoder encoder;
     ObjectEncoder getEncoder() {
       return encoder ??= createEncoder(_BACKEND_DATA_TAG);
     }
 
-    String jsInteropLibraryName = nativeData.jsInteropLibraryNames[element];
+    String jsInteropLibraryName = nativeData.jsInteropLibraries[element];
     if (jsInteropLibraryName != null) {
       getEncoder().setString(JS_INTEROP_LIBRARY_NAME, jsInteropLibraryName);
     }
-    String jsInteropClassName = nativeData.jsInteropClassNames[element];
+    String jsInteropClassName = nativeData.jsInteropClasses[element];
     if (jsInteropClassName != null) {
       getEncoder().setString(JS_INTEROP_CLASS_NAME, jsInteropClassName);
     }
-    String jsInteropMemberName = nativeData.jsInteropMemberNames[element];
+    String jsInteropMemberName = nativeData.jsInteropMembers[element];
     if (jsInteropMemberName != null) {
       getEncoder().setString(JS_INTEROP_MEMBER_NAME, jsInteropMemberName);
     }
     String nativeMemberName = nativeData.nativeMemberName[element];
     if (nativeMemberName != null) {
       getEncoder().setString(NATIVE_MEMBER_NAME, nativeMemberName);
     }
     NativeClassTag nativeClassTagInfo =
         nativeBasicData.nativeClassTagInfo[element];
     if (nativeClassTagInfo != null) {
@@ skipping 41 matching lines @@
   NativeDataBuilderImpl get nativeData => _backend.nativeDataBuilder;
 
   @override
   void onElement(Element element, ObjectDecoder getDecoder(String tag)) {
     ObjectDecoder decoder = getDecoder(_BACKEND_DATA_TAG);
     if (decoder != null) {
       if (element is LibraryElement) {
         String jsInteropLibraryName =
             decoder.getString(JS_INTEROP_LIBRARY_NAME, isOptional: true);
         if (jsInteropLibraryName != null) {
-          nativeData.jsInteropLibraryNames[element] = jsInteropLibraryName;
+          nativeData.jsInteropLibraries[element] = jsInteropLibraryName;
         }
       } else if (element is ClassElement) {
         String jsInteropClassName =
             decoder.getString(JS_INTEROP_CLASS_NAME, isOptional: true);
         if (jsInteropClassName != null) {
-          nativeData.jsInteropClassNames[element] = jsInteropClassName;
+          nativeData.jsInteropClasses[element] = jsInteropClassName;
         }
         String nativeClassTagInfo =
             decoder.getString(NATIVE_CLASS_TAG_INFO, isOptional: true);
         if (nativeClassTagInfo != null) {
           nativeBasicData.nativeClassTagInfo[element] =
               new NativeClassTag(nativeClassTagInfo);
         }
       } else if (element is MemberElement) {
         String jsInteropMemberName =
             decoder.getString(JS_INTEROP_MEMBER_NAME, isOptional: true);
         if (jsInteropMemberName != null) {
-          nativeData.jsInteropMemberNames[element] = jsInteropMemberName;
+          nativeData.jsInteropMembers[element] = jsInteropMemberName;
         }
         String nativeMemberName =
             decoder.getString(NATIVE_MEMBER_NAME, isOptional: true);
         if (nativeMemberName != null) {
           nativeData.nativeMemberName[element] = nativeMemberName;
         }
 
         if (element is MethodElement) {
           ObjectDecoder nativeMethodBehavior =
               decoder.getObject(NATIVE_METHOD_BEHAVIOR, isOptional: true);
@@ skipping 127 matching lines @@
       behavior.codeTemplate = js.js.parseForeignJS(behavior.codeTemplateText);
     }
 
     behavior.throwBehavior =
         decoder.getEnum(THROW_BEHAVIOR, NativeThrowBehavior.values);
     behavior.isAllocation = decoder.getBool(IS_ALLOCATION);
     behavior.useGvn = decoder.getBool(USE_GVN);
     return behavior;
   }
 }