Handle int constant

pkg/compiler/lib/src/frontend_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.frontend_strategy;
 
 import 'common.dart';
 import 'common_elements.dart';
 import 'common/backend_api.dart';
 import 'common/tasks.dart';
 import 'elements/entities.dart';
 import 'elements/types.dart';
 import 'environment.dart';
 import 'enqueue.dart';
 import 'js_backend/backend.dart';
 import 'js_backend/backend_usage.dart';
-import 'js_backend/custom_elements_analysis.dart';
 import 'js_backend/interceptor_data.dart';
 import 'js_backend/mirrors_analysis.dart';
 import 'js_backend/mirrors_data.dart';
 import 'js_backend/native_data.dart';
 import 'js_backend/no_such_method_registry.dart';
 import 'js_backend/runtime_types.dart';
 import 'library_loader.dart';
 import 'native/resolver.dart';
 import 'serialization/task.dart';
 import 'patch_parser.dart';
@@ skipping 49 matching lines @@
       NativeDataBuilder nativeDataBuilder,
       ImpactTransformer impactTransformer);
 
   /// Computes the main function from [mainLibrary] adding additional world
   /// impact to [impactBuilder].
   FunctionEntity computeMain(
       LibraryEntity mainLibrary, WorldImpactBuilder impactBuilder);
 
   // TODO(johnniwinther): Reuse the following classes between strategies:
 
-  /// Creates the [CustomElementsResolutionAnalysis] for this strategy.
-  CustomElementsResolutionAnalysis createCustomElementsResolutionAnalysis(
-      NativeBasicData nativeBasicData, BackendUsageBuilder backendUsageBuilder);
-
   /// Creates the [MirrorsDataBuilder] for this strategy.
   MirrorsDataBuilder createMirrorsDataBuilder();
 
   /// Creates the [MirrorsResolutionAnalysis] for this strategy.
   // TODO(johnniwinther): Avoid passing [JavaScriptBackend].
   MirrorsResolutionAnalysis createMirrorsResolutionAnalysis(
       JavaScriptBackend backend);
 
   /// Creates the [RuntimeTypesNeedBuilder] for this strategy.
   RuntimeTypesNeedBuilder createRuntimeTypesNeedBuilder();
 
   /// Creates a [SourceSpan] from [spannable] in context of [currentElement].
   SourceSpan spanFromSpannable(Spannable spannable, Entity currentElement);
 }
 
 /// Class that performs the mechanics to investigate annotations in the code.
 abstract class AnnotationProcessor {
   void extractNativeAnnotations(
       LibraryEntity library, NativeBasicDataBuilder nativeBasicDataBuilder);
 
   void extractJsInteropAnnotations(
       LibraryEntity library, NativeBasicDataBuilder nativeBasicDataBuilder);
 
   void processJsInteropAnnotations(
       NativeBasicData nativeBasicData, NativeDataBuilder nativeDataBuilder);
 }