[proxies] Fix Object.prototype.hasOwnProperty

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 1788 matching lines @@
       ToPrimitiveHint hint = ToPrimitiveHint::kDefault);
   MUST_USE_RESULT static MaybeHandle<Object> OrdinaryToPrimitive(
       Handle<JSReceiver> receiver, OrdinaryToPrimitiveHint hint);
 
   static MaybeHandle<Context> GetFunctionRealm(Handle<JSReceiver> receiver);
 
   // Implementation of [[HasProperty]], ECMA-262 5th edition, section 8.12.6.
   MUST_USE_RESULT static Maybe<bool> HasProperty(LookupIterator* it);
   MUST_USE_RESULT static inline Maybe<bool> HasProperty(
       Handle<JSReceiver> object, Handle<Name> name);
-  MUST_USE_RESULT static inline Maybe<bool> HasOwnProperty(Handle<JSReceiver>,
-                                                           Handle<Name> name);
   MUST_USE_RESULT static inline Maybe<bool> HasElement(
       Handle<JSReceiver> object, uint32_t index);
-  MUST_USE_RESULT static inline Maybe<bool> HasOwnElement(
-      Handle<JSReceiver> object, uint32_t index);
+
+  MUST_USE_RESULT static inline Maybe<bool> HasOwnProperty(
+      Handle<JSReceiver> object, Handle<Name> name);
 
   // Implementation of ES6 [[Delete]]
   MUST_USE_RESULT static Maybe<bool> DeletePropertyOrElement(
       Handle<JSReceiver> object, Handle<Name> name,
       LanguageMode language_mode = SLOPPY);
   MUST_USE_RESULT static Maybe<bool> DeleteProperty(
       Handle<JSReceiver> object, Handle<Name> name,
       LanguageMode language_mode = SLOPPY);
   MUST_USE_RESULT static Maybe<bool> DeleteProperty(LookupIterator* it,
                                                     LanguageMode language_mode);
@@ skipping 8884 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_