Remove Enqueuer.nativeEnqueuer

pkg/compiler/lib/src/js_backend/impact_transformer.dart

Index: pkg/compiler/lib/src/js_backend/impact_transformer.dart
diff --git a/pkg/compiler/lib/src/js_backend/impact_transformer.dart b/pkg/compiler/lib/src/js_backend/impact_transformer.dart
index b5d0fa7ef2f725a72094f172785b0fb4120a65c7..a308aa4dadda077c12279f9185698137f03dda86 100644
--- a/pkg/compiler/lib/src/js_backend/impact_transformer.dart
+++ b/pkg/compiler/lib/src/js_backend/impact_transformer.dart
@@ -247,7 +247,7 @@ class JavaScriptImpactTransformer extends ImpactTransformer {
     }
 
     for (native.NativeBehavior behavior in worldImpact.nativeData) {
-      enqueuer.nativeEnqueuer
+      backend.nativeResolutionEnqueuer
           .registerNativeBehavior(transformed, behavior, worldImpact);
     }
 
@@ -405,7 +405,7 @@ class JavaScriptImpactTransformer extends ImpactTransformer {
     }
 
     if (impact.usesInterceptor) {
-      if (backend.codegenEnqueuer.nativeEnqueuer.hasInstantiatedNativeClasses) {
+      if (backend.nativeCodegenEnqueuer.hasInstantiatedNativeClasses) {
         impacts.interceptorUse.registerImpact(transformed, elementEnvironment);
       }
     }