Run closed_world2_test using the normal compiler pipeline.

pkg/compiler/lib/src/kernel/kernel_strategy.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 dart2js.kernel.frontend_strategy;
 
 import '../closure.dart';
 import '../common.dart';
 import '../common_elements.dart';
 import '../common/backend_api.dart';
@@ skipping 49 matching lines @@
   }
 
   @override
   ElementEnvironment get elementEnvironment => elementMap.elementEnvironment;
 
   @override
   AnnotationProcessor get annotationProcesser =>
       _annotationProcesser ??= new KernelAnnotationProcessor(elementMap);
 
   @override
-  NativeClassFinder createNativeClassResolver(NativeBasicData nativeBasicData) {
+  NativeClassFinder createNativeClassFinder(NativeBasicData nativeBasicData) {
     return new BaseNativeClassFinder(elementMap.elementEnvironment,
         elementMap.commonElements, nativeBasicData);
   }
 
   NoSuchMethodResolver createNoSuchMethodResolver() {
     return new KernelNoSuchMethodResolver(elementMap);
   }
 
+  /// Computes the main function from [mainLibrary] adding additional world
+  /// impact to [impactBuilder].
+  FunctionEntity computeMain(
+      LibraryEntity mainLibrary, WorldImpactBuilder impactBuilder) {
+    return elementEnvironment.mainFunction;
+  }
+
   CustomElementsResolutionAnalysis createCustomElementsResolutionAnalysis(
       NativeBasicData nativeBasicData,
       BackendUsageBuilder backendUsageBuilder) {
     return new CustomElementsResolutionAnalysisImpl();
   }
 
   MirrorsDataBuilder createMirrorsDataBuilder() {
     return new MirrorsDataBuilderImpl();
   }
 
@@ skipping 121 matching lines @@
   void onQueueEmpty(Enqueuer enqueuer, Iterable<ClassEntity> recentClasses) {}
 
   @override
   MirrorsCodegenAnalysis close() {
     throw new UnimplementedError('MirrorsResolutionAnalysisImpl.close');
   }
 
   @override
   void onResolutionComplete() {}
 }