Teach JSReceiver::GetKeys() how to include symbols

src/elements.cc

 // 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.
 
 #include "src/elements.h"
 
 #include "src/arguments.h"
 #include "src/conversions.h"
 #include "src/factory.h"
 #include "src/messages.h"
@@ skipping 852 matching lines @@
     // Details: The idea is that allocations actually happen only in case of
     // copying from object with fast double elements to object with object
     // elements. In all the other cases there are no allocations performed and
     // handle creation causes noticeable performance degradation of the builtin.
     ElementsAccessorSubclass::CopyElementsImpl(
         from, from_start, *to, from_kind, to_start, packed_size, copy_size);
   }
 
   virtual void AddElementsToKeyAccumulator(Handle<JSObject> receiver,
                                            KeyAccumulator* accumulator,
-                                           FixedArray::KeyFilter filter) final {
+                                           KeyFilter filter) final {
     Handle<FixedArrayBase> from(receiver->elements());
     uint32_t add_length =
         ElementsAccessorSubclass::GetCapacityImpl(*receiver, *from);
     if (add_length == 0) return;
     accumulator->PrepareForComparisons(add_length);
     int prev_key_count = accumulator->GetLength();
     for (uint32_t i = 0; i < add_length; i++) {
       if (!ElementsAccessorSubclass::HasEntryImpl(*from, i)) continue;
       Handle<Object> value = ElementsAccessorSubclass::GetImpl(from, i);
       DCHECK(!value->IsTheHole());
       DCHECK(!value->IsAccessorPair());
       DCHECK(!value->IsExecutableAccessorInfo());
-      if (filter == FixedArray::NON_SYMBOL_KEYS && value->IsSymbol()) {
+      if (filter == SKIP_SYMBOLS && value->IsSymbol()) {
         continue;
       }
       accumulator->AddKey(value, prev_key_count);
     }
   }
 
   static uint32_t GetCapacityImpl(JSObject* holder,
                                   FixedArrayBase* backing_store) {
     return backing_store->length();
   }
@@ skipping 1429 matching lines @@
     }
   }
 
   DCHECK(j == result_len);
   return result_array;
 }
 
 ElementsAccessor** ElementsAccessor::elements_accessors_ = NULL;
 }  // namespace internal
 }  // namespace v8