Remove special ExecutableAccessorInfo handling based on flag

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index fff3a03a10527f9b48b7f19270d40b7a57883aae..24285d002474d3689ce7a05712d31f2f0900b583 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2126,13 +2126,6 @@ class JSObject: public JSReceiver {
       StrictMode strict_mode,
       StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED);
 
-  // SetLocalPropertyIgnoreAttributes converts callbacks to fields. We need to
-  // grant an exemption to ExecutableAccessor callbacks in some cases.
-  enum ExecutableAccessorInfoHandling {
-    DEFAULT_HANDLING,
-    DONT_FORCE_FIELD
-  };
-
   MUST_USE_RESULT static MaybeHandle<Object> SetOwnPropertyIgnoreAttributes(
       Handle<JSObject> object,
       Handle<Name> key,
@@ -2140,8 +2133,7 @@ class JSObject: public JSReceiver {
       PropertyAttributes attributes,
       StoreMode mode = ALLOW_AS_CONSTANT,
       ExtensibilityCheck extensibility_check = PERFORM_EXTENSIBILITY_CHECK,
-      StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED,
-      ExecutableAccessorInfoHandling handling = DEFAULT_HANDLING);
+      StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED);
 
   static void AddProperty(Handle<JSObject> object,
                           Handle<Name> key,