LookupIterator should find private symbols on JSProxies

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 1793 matching lines @@
  public:
   // [properties]: Backing storage for properties.
   // properties is a FixedArray in the fast case and a Dictionary in the
   // slow case.
   DECL_ACCESSORS(properties, FixedArray)  // Get and set fast properties.
   inline void initialize_properties();
   inline bool HasFastProperties();
   // Gets slow properties for non-global objects.
   inline NameDictionary* property_dictionary();
 
+  // Deletes an existing named property in a normalized object.
+  static void DeleteNormalizedProperty(Handle<JSReceiver> object,
+                                       Handle<Name> name, int entry);
+
   DECLARE_CAST(JSReceiver)
 
   // ES6 section 7.1.1 ToPrimitive
   MUST_USE_RESULT static MaybeHandle<Object> ToPrimitive(
       Handle<JSReceiver> receiver,
       ToPrimitiveHint hint = ToPrimitiveHint::kDefault);
   MUST_USE_RESULT static MaybeHandle<Object> OrdinaryToPrimitive(
       Handle<JSReceiver> receiver, OrdinaryToPrimitiveHint hint);
 
   static MaybeHandle<Context> GetFunctionRealm(Handle<JSReceiver> receiver);
@@ skipping 663 matching lines @@
   typedef FlexibleBodyDescriptor<JSReceiver::kPropertiesOffset> BodyDescriptor;
 
   // Enqueue change record for Object.observe. May cause GC.
   MUST_USE_RESULT static MaybeHandle<Object> EnqueueChangeRecord(
       Handle<JSObject> object, const char* type, Handle<Name> name,
       Handle<Object> old_value);
 
   // Gets the number of currently used elements.
   int GetFastElementsUsage();
 
-  // Deletes an existing named property in a normalized object.
-  static void DeleteNormalizedProperty(Handle<JSObject> object,
-                                       Handle<Name> name, int entry);
-
   static bool AllCanRead(LookupIterator* it);
   static bool AllCanWrite(LookupIterator* it);
 
  private:
   friend class JSReceiver;
   friend class Object;
 
   static void MigrateFastToFast(Handle<JSObject> object, Handle<Map> new_map);
   static void MigrateFastToSlow(Handle<JSObject> object,
                                 Handle<Map> new_map,
@@ skipping 7131 matching lines @@
   static const int kSize = kHashOffset + kPointerSize;
 
   typedef FixedBodyDescriptor<JSReceiver::kPropertiesOffset, kSize, kSize>
       BodyDescriptor;
 
   MUST_USE_RESULT Object* GetIdentityHash();
 
   static Handle<Smi> GetOrCreateIdentityHash(Handle<JSProxy> proxy);
 
  private:
+  static Maybe<bool> AddPrivateProperty(Isolate* isolate, Handle<JSProxy> proxy,
+                                        Handle<Symbol> private_name,
+                                        PropertyDescriptor* desc,
+                                        ShouldThrow should_throw);
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSProxy);
 };
 
 
 class JSCollection : public JSObject {
  public:
   // [table]: the backing hash table
   DECL_ACCESSORS(table, Object)
 
   static const int kTableOffset = JSObject::kHeaderSize;
@@ skipping 1088 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_