[es6] Partially implement Reflect.ownKeys.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index d5197056de2967060cea9e29518c4bf97a6f7881..bbaa238203f7e9c71b49bf554ad1cd1610ac8dfc 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -1936,7 +1936,8 @@ class JSReceiver: public HeapObject {
   MUST_USE_RESULT static MaybeHandle<FixedArray> GetKeys(
       Handle<JSReceiver> object, KeyCollectionType type,
       KeyFilter filter = SKIP_SYMBOLS,
-      GetKeysConversion getConversion = KEEP_NUMBERS);
+      GetKeysConversion getConversion = KEEP_NUMBERS,
+      bool only_enumerables = true);

[Camillo Bruni, 2015/11/05 08:29:35]

I know we discussed to move all the flags on the KeyAccu, but could you add an
enum for only_enumerables nevertheless? (I think it makes the call-sites of
GetKeys quite a bit more readable).

 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSReceiver);