Change implementation of JSObject::HasHiddenProperties to work as before 9510.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index b4db9e5605a9212851a4b46cd4fbefadde2d8685..674bb9d756966d7deb0a8c4904f1c9b2b2d9f230 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -3425,9 +3425,9 @@ void JSObject::DeleteHiddenProperty(String* key) {
 
 
 bool JSObject::HasHiddenProperties() {
-  LookupResult lookup;
-  LocalLookupRealNamedProperty(GetHeap()->hidden_symbol(), &lookup);
-  return lookup.IsFound();
+  return GetPropertyAttributePostInterceptor(this,
+                                             GetHeap()->hidden_symbol(),
+                                             false) != ABSENT;
 }