Handle instantiation of native classes in closed_world2_test

pkg/compiler/lib/src/kernel/kernel_strategy.dart

Index: pkg/compiler/lib/src/kernel/kernel_strategy.dart
diff --git a/pkg/compiler/lib/src/kernel/kernel_strategy.dart b/pkg/compiler/lib/src/kernel/kernel_strategy.dart
index aaa3ebb3423a865964e36731b17f116a93ffcc80..a891681bf8e48e56f8a3c26051e0197f89e6df7e 100644
--- a/pkg/compiler/lib/src/kernel/kernel_strategy.dart
+++ b/pkg/compiler/lib/src/kernel/kernel_strategy.dart
@@ -9,7 +9,9 @@ import '../common_elements.dart';
 import '../common/tasks.dart';
 import '../environment.dart' as env;
 import '../frontend_strategy.dart';
+import '../js_backend/native_data.dart';
 import '../library_loader.dart';
+import '../native/resolver.dart';
 import '../serialization/task.dart';
 import '../patch_parser.dart';
 import '../resolved_uri_translator.dart';
@@ -46,4 +48,10 @@ class KernelFrontEndStrategy implements FrontEndStrategy {
   @override
   AnnotationProcessor get annotationProcesser =>
       _annotationProcesser ??= new KernelAnnotationProcessor(elementMap);
+
+  @override
+  NativeClassFinder createNativeClassResolver(NativeBasicData nativeBasicData) {
+    return new BaseNativeClassFinder(elementMap.elementEnvironment,
+        elementMap.commonElements, nativeBasicData);
+  }
 }