Attempt to speed up v8::Object::SetPrivate

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index c2bdf4836604b02e604ef9e163a57d840fa8de39..436b87536dd085a10cf96d47fc85b3333259e2fd 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -9778,12 +9778,12 @@ class JSProxy: public JSReceiver {
 
   static Handle<Smi> GetOrCreateIdentityHash(Handle<JSProxy> proxy);
 
- private:
-  static Maybe<bool> AddPrivateProperty(Isolate* isolate, Handle<JSProxy> proxy,
+  static Maybe<bool> SetPrivateProperty(Isolate* isolate, Handle<JSProxy> proxy,
                                         Handle<Symbol> private_name,
                                         PropertyDescriptor* desc,
                                         ShouldThrow should_throw);
 
+ private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSProxy);
 };