[proxies] Use JSReceiver::GetKeys() for more purposes

src/objects.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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 2209 matching lines @@
 
   // These methods do not perform access checks!
   static void UpdateAllocationSite(Handle<JSObject> object,
                                    ElementsKind to_kind);
 
   // Lookup interceptors are used for handling properties controlled by host
   // objects.
   inline bool HasNamedInterceptor();
   inline bool HasIndexedInterceptor();
 
-  // Computes the enumerable keys from interceptors. Used for debug mirrors and
-  // by JSReceiver::GetKeys.
-  MUST_USE_RESULT static MaybeHandle<JSObject> GetKeysForNamedInterceptor(
-      Handle<JSObject> object,
-      Handle<JSReceiver> receiver);
-  MUST_USE_RESULT static MaybeHandle<JSObject> GetKeysForIndexedInterceptor(
-      Handle<JSObject> object,
-      Handle<JSReceiver> receiver);
-
   // Support functions for v8 api (needed for correct interceptor behavior).
   MUST_USE_RESULT static Maybe<bool> HasRealNamedProperty(
       Handle<JSObject> object, Handle<Name> name);
   MUST_USE_RESULT static Maybe<bool> HasRealElementProperty(
       Handle<JSObject> object, uint32_t index);
   MUST_USE_RESULT static Maybe<bool> HasRealNamedCallbackProperty(
       Handle<JSObject> object, Handle<Name> name);
 
   // Get the header size for a JSObject.  Used to compute the index of
   // internal fields as well as the number of internal fields.
@@ skipping 21 matching lines @@
   // with the specified attributes (ignoring interceptors).
   int NumberOfOwnElements(PropertyFilter filter);
   // Returns the number of enumerable elements (ignoring interceptors).
   int NumberOfEnumElements();
   // Returns the number of elements on this object filtering out elements
   // with the specified attributes (ignoring interceptors).
   int GetOwnElementKeys(FixedArray* storage, PropertyFilter filter);
   static void CollectOwnElementKeys(Handle<JSObject> object,
                                     KeyAccumulator* keys,
                                     PropertyFilter filter);
-  // Count and fill in the enumerable elements into storage.
-  // (storage->length() == NumberOfEnumElements()).
-  // If storage is NULL, will count the elements without adding
-  // them to any storage.
-  // Returns the number of enumerable elements.
-  int GetEnumElementKeys(FixedArray* storage);
 
   static Handle<FixedArray> GetEnumPropertyKeys(Handle<JSObject> object,
                                                 bool cache_result);
 
   // Returns a new map with all transitions dropped from the object's current
   // map and the ElementsKind set.
   static Handle<Map> GetElementsTransitionMap(Handle<JSObject> object,
                                               ElementsKind to_kind);
   static void TransitionElementsKind(Handle<JSObject> object,
                                      ElementsKind to_kind);
@@ skipping 8421 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_