Split NativeData

pkg/compiler/lib/src/inferrer/builder.dart

Index: pkg/compiler/lib/src/inferrer/builder.dart
diff --git a/pkg/compiler/lib/src/inferrer/builder.dart b/pkg/compiler/lib/src/inferrer/builder.dart
index f50ab31ca3bcf135d45a266fd8b9ab65e2afdee0..ea4b8c833eb25a18e30f08c96f42de0929d8b7bd 100644
--- a/pkg/compiler/lib/src/inferrer/builder.dart
+++ b/pkg/compiler/lib/src/inferrer/builder.dart
@@ -937,7 +937,7 @@ class ElementGraphBuilder extends ast.Visitor<TypeInformation>
       inferrer.setDefaultTypeOfParameter(element, type);
     });
 
-    if (compiler.backend.isNative(analyzedElement)) {
+    if (inferrer.isNativeMember(analyzedElement)) {
       // Native methods do not have a body, and we currently just say
       // they return dynamic.
       return types.dynamicType;