Split NativeDataImpl

pkg/compiler/lib/src/native/enqueue.dart

 // Copyright (c) 2014, 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.
 
 import '../common.dart';
 import '../common/backend_api.dart' show ForeignResolver;
 import '../common/resolution.dart' show Resolution;
 import '../compiler.dart' show Compiler;
 import '../constants/values.dart';
 import '../common_elements.dart' show CommonElements;
@@ skipping 349 matching lines @@
 
   void registerBackendUse(MethodElement element) {
     _backendUsageBuilder.registerBackendFunctionUse(element);
     _backendUsageBuilder.registerGlobalFunctionDependency(element);
   }
 
   void processNativeClass(ClassElement classElement) {
     super.processNativeClass(classElement);
 
     // Js Interop interfaces do not have tags.
-    if (backend.nativeData.isJsInteropClass(classElement)) return;
+    if (backend.nativeClassData.isJsInteropClass(classElement)) return;
     // Since we map from dispatch tags to classes, a dispatch tag must be used
     // on only one native class.
-    for (String tag in backend.nativeData.getNativeTagsOfClass(classElement)) {
+    for (String tag
+        in backend.nativeClassData.getNativeTagsOfClass(classElement)) {
       ClassElement owner = tagOwner[tag];
       if (owner != null) {
         if (owner != classElement) {
           reporter.internalError(
               classElement, "Tag '$tag' already in use by '${owner.name}'");
         }
       } else {
         tagOwner[tag] = classElement;
       }
     }
@@ skipping 114 matching lines @@
     List<ClassEntity> directSubtypes =
         emitter.directSubtypes.putIfAbsent(superclass, () => <ClassEntity>[]);
     directSubtypes.add(cls);
   }
 
   void logSummary(log(message)) {
     log('Compiled ${_registeredClasses.length} native classes, '
         '${_unusedClasses.length} native classes omitted.');
   }
 }