[cleanup] Introduce PropertyFilter

src/key-accumulator.h

Index: src/key-accumulator.h
diff --git a/src/key-accumulator.h b/src/key-accumulator.h
index 9c44df4fb15999eee7070c51e821bfd6a01bf941..c6efa6316c4be89b192e9fa182079b13ee113551 100644
--- a/src/key-accumulator.h
+++ b/src/key-accumulator.h
@@ -31,8 +31,7 @@ enum AddKeyConversion { DO_NOT_CONVERT, CONVERT_TO_ARRAY_INDEX, PROXY_MAGIC };
 // are more compact and allow for reasonably fast includes check.
 class KeyAccumulator final BASE_EMBEDDED {
  public:
-  explicit KeyAccumulator(Isolate* isolate,
-                          KeyFilter filter = KeyFilter::SKIP_SYMBOLS)
+  KeyAccumulator(Isolate* isolate, PropertyFilter filter)
       : isolate_(isolate), filter_(filter) {}
   ~KeyAccumulator();
 
@@ -44,8 +43,7 @@ class KeyAccumulator final BASE_EMBEDDED {
   void AddKeys(Handle<JSObject> array,
                AddKeyConversion convert = DO_NOT_CONVERT);
   void AddKeysFromProxy(Handle<JSObject> array);
-  bool AddKeysFromProxy(Handle<JSProxy> proxy, Handle<FixedArray> keys,
-                        KeyFilter filter, Enumerability enum_policy);
+  bool AddKeysFromProxy(Handle<JSProxy> proxy, Handle<FixedArray> keys);
   void AddElementKeysFromInterceptor(Handle<JSObject> array);
   // Jump to the next level, pushing the current |levelLength_| to
   // |levelLengths_| and adding a new list to |elements_|.
@@ -63,7 +61,7 @@ class KeyAccumulator final BASE_EMBEDDED {
   void SortCurrentElementsListRemoveDuplicates();
 
   Isolate* isolate_;
-  KeyFilter filter_;
+  PropertyFilter filter_;
   // |elements_| contains the sorted element keys (indices) per level.
   std::vector<std::vector<uint32_t>*> elements_;
   // |protoLengths_| contains the total number of keys (elements + properties)