[builtins] HasOwnProperty: handle non-internalized string keys

src/globals.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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 656 matching lines @@
   // Multiple receiver types have been seen.
   POLYMORPHIC,
   // Many receiver types have been seen.
   MEGAMORPHIC,
   // A generic handler is installed and no extra typefeedback is recorded.
   GENERIC,
 };
 
 enum WhereToStart { kStartAtReceiver, kStartAtPrototype };
 
+enum ResultSentinel { kNotFound = -1, kUnsupported = -2 };
+
 // The Store Buffer (GC).
 typedef enum {
   kStoreBufferFullEvent,
   kStoreBufferStartScanningPagesEvent,
   kStoreBufferScanningPageEvent
 } StoreBufferEvent;
 
 
 typedef void (*StoreBufferCallback)(Heap* heap,
                                     MemoryChunk* page,
@@ skipping 734 matching lines @@
 }  // namespace internal
 }  // namespace v8
 
 // Used by js-builtin-reducer to identify whether ReduceArrayIterator() is
 // reducing a JSArray method, or a JSTypedArray method.
 enum class ArrayIteratorKind { kArray, kTypedArray };
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_