[keys] propagate PropertyFilter to proxy targets in KeyAccumulator

src/keys.cc

Index: src/keys.cc
diff --git a/src/keys.cc b/src/keys.cc
index 6d882663d78c18892376193616b6d22fcab51591..b73575fad0962c5b83d890fc52ceed3677ccc959 100644
--- a/src/keys.cc
+++ b/src/keys.cc
@@ -853,7 +853,11 @@ Maybe<bool> KeyAccumulator::CollectOwnJSProxyTargetKeys(
   // TODO(cbruni): avoid creating another KeyAccumulator
   Handle<FixedArray> keys;
   ASSIGN_RETURN_ON_EXCEPTION_VALUE(
-      isolate_, keys, JSReceiver::OwnPropertyKeys(target), Nothing<bool>());
+      isolate_, keys,
+      KeyAccumulator::GetKeys(target, KeyCollectionMode::kOwnOnly, filter_,
+                              GetKeysConversion::kConvertToString,
+                              filter_proxy_keys_, is_for_in_),
+      Nothing<bool>());
   bool prev_filter_proxy_keys_ = filter_proxy_keys_;
   filter_proxy_keys_ = false;
   Maybe<bool> result = AddKeysFromJSProxy(proxy, keys);