[keys] Moving property/keys related methods to KeyAccumulator in keys.cc

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index ca5f709813e32064d76dc29092f5e73057fea6e2..229ed8ebe717b5e0e4cbf908b89fa010ae1de533 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2294,18 +2294,6 @@ class JSObject: public JSReceiver {
   inline void SetInternalField(int index, Smi* value);
   bool WasConstructedFromApiFunction();
 
-  void CollectOwnPropertyNames(KeyAccumulator* keys,
-                               PropertyFilter filter = ALL_PROPERTIES);
-
-  static void CollectOwnElementKeys(Handle<JSObject> object,
-                                    KeyAccumulator* keys,
-                                    PropertyFilter filter);
-
-  static Handle<FixedArray> GetEnumPropertyKeys(Handle<JSObject> object);
-
-  static Handle<FixedArray> GetFastEnumPropertyKeys(Isolate* isolate,
-                                                    Handle<JSObject> object);
-
   // Returns a new map with all transitions dropped from the object's current
   // map and the ElementsKind set.
   static Handle<Map> GetElementsTransitionMap(Handle<JSObject> object,