Split NativeData

pkg/compiler/lib/src/common/resolution.dart

Index: pkg/compiler/lib/src/common/resolution.dart
diff --git a/pkg/compiler/lib/src/common/resolution.dart b/pkg/compiler/lib/src/common/resolution.dart
index f64dd299ed156dee33f7170e9fe1c23cdd5cc303..00d8249e83d63dc556a8f607b92017187ee62e40 100644
--- a/pkg/compiler/lib/src/common/resolution.dart
+++ b/pkg/compiler/lib/src/common/resolution.dart
@@ -113,9 +113,9 @@ abstract class Target {
   /// Returns the default superclass for the given [element] in this target.
   ClassElement defaultSuperclass(ClassElement element);
 
-  /// Returns `true` if [element] is a native element, that is, that the
+  /// Returns `true` if [element] is a native class, that is, that the
   /// corresponding entity already exists in the target language.
-  bool isNative(Entity element) => false;
+  bool isNativeClass(ClassEntity element) => false;
 
   /// Returns `true` if [element] is a foreign element, that is, that the
   /// backend has specialized handling for the element.