Handle int constant

pkg/compiler/lib/src/frontend_strategy.dart

Index: pkg/compiler/lib/src/frontend_strategy.dart
diff --git a/pkg/compiler/lib/src/frontend_strategy.dart b/pkg/compiler/lib/src/frontend_strategy.dart
index 44a88edd5fcdf759f327dd17d67c8d469a3b7df0..a08814ed8d4a2641a61e20eaa65d439af95e6e07 100644
--- a/pkg/compiler/lib/src/frontend_strategy.dart
+++ b/pkg/compiler/lib/src/frontend_strategy.dart
@@ -14,7 +14,6 @@ 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';
@@ -84,10 +83,6 @@ abstract class FrontEndStrategy {
 
   // 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();