Cleanup Delete backend implementation.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 9a2bb7ce370bbea27712fc488e316c26ece2a7b8..e44971aced050842f0bd201cff18d8c85836a9b3 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2283,6 +2283,10 @@ class JSObject: public JSReceiver {
   // Gets the current elements capacity and the number of used elements.
   void GetElementsCapacityAndUsage(int* capacity, int* used);
 
+  // Deletes an existing named property in a normalized object.
+  static void DeleteNormalizedProperty(Handle<JSObject> object,
+                                       Handle<Name> name, int entry);
+
  private:
   friend class DictionaryElementsAccessor;
   friend class JSReceiver;
@@ -2309,10 +2313,6 @@ class JSObject: public JSReceiver {
   MUST_USE_RESULT static MaybeHandle<Object> DeletePropertyWithInterceptor(
       LookupIterator* it);
 
-  // Deletes an existing named property in a normalized object.
-  static void DeleteNormalizedProperty(Handle<JSObject> object,
-                                       Handle<Name> name);
-
   bool ReferencesObjectFromElements(FixedArray* elements,
                                     ElementsKind kind,
                                     Object* object);