[keys] Trigger [[getOwnPropertyDescriptor]] trap for Object.keys

src/keys.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_KEYS_H_
 #define V8_KEYS_H_
 
 #include "src/isolate.h"
 #include "src/objects.h"
 
@@ skipping 21 matching lines @@
 class KeyAccumulator final BASE_EMBEDDED {
  public:
   KeyAccumulator(Isolate* isolate, KeyCollectionMode mode,
                  PropertyFilter filter)
       : isolate_(isolate), mode_(mode), filter_(filter) {}
   ~KeyAccumulator();
 
   static MaybeHandle<FixedArray> GetKeys(
       Handle<JSReceiver> object, KeyCollectionMode mode, PropertyFilter filter,
       GetKeysConversion keys_conversion = GetKeysConversion::kKeepNumbers,
-      bool filter_proxy_keys = true, bool is_for_in = false);
+      bool is_for_in = false);
 
   Handle<FixedArray> GetKeys(
       GetKeysConversion convert = GetKeysConversion::kKeepNumbers);
   Maybe<bool> CollectKeys(Handle<JSReceiver> receiver,
                           Handle<JSReceiver> object);
   Maybe<bool> CollectOwnElementIndices(Handle<JSReceiver> receiver,
                                        Handle<JSObject> object);
   Maybe<bool> CollectOwnPropertyNames(Handle<JSReceiver> receiver,
                                       Handle<JSObject> object);
   Maybe<bool> CollectAccessCheckInterceptorKeys(
       Handle<AccessCheckInfo> access_check_info, Handle<JSReceiver> receiver,
       Handle<JSObject> object);
 
   static Handle<FixedArray> GetOwnEnumPropertyKeys(Isolate* isolate,
                                                    Handle<JSObject> object);
 
   void AddKey(Object* key, AddKeyConversion convert = DO_NOT_CONVERT);
   void AddKey(Handle<Object> key, AddKeyConversion convert = DO_NOT_CONVERT);
   void AddKeys(Handle<FixedArray> array, AddKeyConversion convert);
   void AddKeys(Handle<JSObject> array_like, AddKeyConversion convert);
 
   // Jump to the next level, pushing the current |levelLength_| to
   // |levelLengths_| and adding a new list to |elements_|.
   Isolate* isolate() { return isolate_; }
   // Filter keys based on their property descriptors.
   PropertyFilter filter() { return filter_; }
   // The collection mode defines whether we collect the keys from the prototype
   // chain or only look at the receiver.
   KeyCollectionMode mode() { return mode_; }
-  void set_filter_proxy_keys(bool filter) { filter_proxy_keys_ = filter; }
   // In case of for-in loops we have to treat JSProxy keys differently and
   // deduplicate them. Additionally we convert JSProxy keys back to array
   // indices.
   void set_is_for_in(bool value) { is_for_in_ = value; }
   void set_skip_indices(bool value) { skip_indices_ = value; }
   // The last_non_empty_prototype is used to limit the prototypes for which
   // we have to keep track of non-enumerable keys that can shadow keys
   // repeated on the prototype chain.
   void set_last_non_empty_prototype(Handle<JSReceiver> object) {
     last_non_empty_prototype_ = object;
@@ skipping 18 matching lines @@
 
   Isolate* isolate_;
   // keys_ is either an Handle<OrderedHashSet> or in the case of own JSProxy
   // keys a Handle<FixedArray>. The OrderedHashSet is in-place converted to the
   // result list, a FixedArray containing all collected keys.
   Handle<FixedArray> keys_;
   Handle<JSReceiver> last_non_empty_prototype_;
   Handle<ObjectHashSet> shadowing_keys_;
   KeyCollectionMode mode_;
   PropertyFilter filter_;
-  bool filter_proxy_keys_ = true;
   bool is_for_in_ = false;
   bool skip_indices_ = false;
   // For all the keys on the first receiver adding a shadowing key we can skip
   // the shadow check.
   bool skip_shadow_check_ = true;
 
   DISALLOW_COPY_AND_ASSIGN(KeyAccumulator);
 };
 
 // The FastKeyAccumulator handles the cases where there are no elements on the
 // prototype chain and forwords the complex/slow cases to the normal
 // KeyAccumulator. This significantly speeds up the cases where the OWN_ONLY
 // case where we do not have to walk the prototype chain.
 class FastKeyAccumulator {
  public:
   FastKeyAccumulator(Isolate* isolate, Handle<JSReceiver> receiver,
                      KeyCollectionMode mode, PropertyFilter filter)
       : isolate_(isolate), receiver_(receiver), mode_(mode), filter_(filter) {
     Prepare();
   }
 
   bool is_receiver_simple_enum() { return is_receiver_simple_enum_; }
   bool has_empty_prototype() { return has_empty_prototype_; }
-  void set_filter_proxy_keys(bool filter) { filter_proxy_keys_ = filter; }
   void set_is_for_in(bool value) { is_for_in_ = value; }
 
   MaybeHandle<FixedArray> GetKeys(
       GetKeysConversion convert = GetKeysConversion::kKeepNumbers);
 
  private:
   void Prepare();
   MaybeHandle<FixedArray> GetKeysFast(GetKeysConversion convert);
   MaybeHandle<FixedArray> GetKeysSlow(GetKeysConversion convert);
 
   Isolate* isolate_;
   Handle<JSReceiver> receiver_;
   Handle<JSReceiver> last_non_empty_prototype_;
   KeyCollectionMode mode_;
   PropertyFilter filter_;
-  bool filter_proxy_keys_ = true;
   bool is_for_in_ = false;
   bool is_receiver_simple_enum_ = false;
   bool has_empty_prototype_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(FastKeyAccumulator);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_KEYS_H_