Teach JSReceiver::GetKeys() how to include symbols

src/elements.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ELEMENTS_H_
 #define V8_ELEMENTS_H_
 
 #include "src/elements-kind.h"
 #include "src/heap/heap.h"
 #include "src/isolate.h"
@@ skipping 84 matching lines @@
       ElementsKind from_kind) {
     CopyElements(
       *from_holder, 0, from_kind, to, 0, kCopyToEndAndInitializeToHole);
   }
 
   virtual void GrowCapacityAndConvert(Handle<JSObject> object,
                                       uint32_t capacity) = 0;
 
   virtual void AddElementsToKeyAccumulator(Handle<JSObject> receiver,
                                            KeyAccumulator* accumulator,
-                                           FixedArray::KeyFilter filter) = 0;
+                                           KeyFilter filter) = 0;
 
   // Returns a shared ElementsAccessor for the specified ElementsKind.
   static ElementsAccessor* ForKind(ElementsKind elements_kind) {
     DCHECK(static_cast<int>(elements_kind) < kElementsKindCount);
     return elements_accessors_[elements_kind];
   }
 
   static ElementsAccessor* ForArray(Handle<FixedArrayBase> array);
 
   static void InitializeOncePerProcess();
@@ skipping 70 matching lines @@
                      bool allow_appending = false);
 
 MUST_USE_RESULT MaybeHandle<Object> ArrayConstructInitializeElements(
     Handle<JSArray> array,
     Arguments* args);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ELEMENTS_H_