Support jsinterop/world_test from .dill

pkg/compiler/lib/src/js_backend/native_data.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.native_data;
 
 import '../common.dart';
 import '../common_elements.dart' show ElementEnvironment;
 import '../elements/entities.dart';
 import '../native/behavior.dart' show NativeBehavior;
@@ skipping 273 matching lines @@
   @override
   bool isJsInteropLibrary(LibraryEntity element) {
     return jsInteropLibraries.containsKey(element);
   }
 
   @override
   bool isJsInteropClass(ClassEntity element) {
     return jsInteropClasses.containsKey(element);
   }
 
+  bool _isJsInteropMember(MemberEntity element) {
+    return jsInteropMembers.containsKey(element);
+  }
+
   @override
   bool isJsInteropMember(MemberEntity element) {
-    return jsInteropMembers.containsKey(element);
+    // TODO(johnniwinther): Share this with [NativeDataImpl.isJsInteropMember].
+    if (element.isFunction ||
+        element.isConstructor ||
+        element.isGetter ||
+        element.isSetter) {
+      FunctionEntity function = element;
+      if (!function.isExternal) return false;
+
+      if (_isJsInteropMember(function)) return true;
+      if (function.enclosingClass != null) {
+        return isJsInteropClass(function.enclosingClass);
+      }
+      if (function.isTopLevel) {
+        return isJsInteropLibrary(function.library);
+      }
+      return false;
+    } else {
+      return _isJsInteropMember(element);
+    }
   }
 
   @override
   bool isNativeOrExtendsNative(ClassEntity element) {
     if (element == null) return false;
     if (isNativeClass(element) || isJsInteropClass(element)) {
       return true;
     }
     return isNativeOrExtendsNative(_env.getSuperClass(element));
   }
@@ skipping 388 matching lines @@
   int get hashCode => Hashing.listHash(names, isNonLeaf.hashCode);
 
   bool operator ==(other) {
     if (identical(this, other)) return true;
     if (other is! NativeClassTag) return false;
     return equalElements(names, other.names) && isNonLeaf == other.isNonLeaf;
   }
 
   String toString() => text;
 }