Revert of [keys] Simplify KeyAccumulator

src/api.cc

 // 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 3854 matching lines @@
   }
   // IsTemplateFor() ensures that iter.GetCurrent() can't be a Proxy here.
   return Utils::ToLocal(i::handle(iter.GetCurrent<i::JSObject>(), isolate));
 }
 
 
 MaybeLocal<Array> v8::Object::GetPropertyNames(Local<Context> context) {
   PREPARE_FOR_EXECUTION(context, Object, GetPropertyNames, Array);
   auto self = Utils::OpenHandle(this);
   i::Handle<i::FixedArray> value;
-  has_pending_exception = !i::KeyAccumulator::GetKeys(self, i::INCLUDE_PROTOS,
-                                                      i::ENUMERABLE_STRINGS)
-                               .ToHandle(&value);
+  has_pending_exception =
+      !i::JSReceiver::GetKeys(self, i::INCLUDE_PROTOS, i::ENUMERABLE_STRINGS)
+           .ToHandle(&value);
   RETURN_ON_FAILED_EXECUTION(Array);
   DCHECK(self->map()->EnumLength() == i::kInvalidEnumCacheSentinel ||
          self->map()->EnumLength() == 0 ||
          self->map()->instance_descriptors()->GetEnumCache() != *value);
   auto result = isolate->factory()->NewJSArrayWithElements(value);
   RETURN_ESCAPED(Utils::ToLocal(result));
 }
 
 
 Local<Array> v8::Object::GetPropertyNames() {
@@ skipping 10 matching lines @@
   auto context = ContextFromHeapObject(Utils::OpenHandle(this));
   RETURN_TO_LOCAL_UNCHECKED(GetOwnPropertyNames(context), Array);
 }
 
 MaybeLocal<Array> v8::Object::GetOwnPropertyNames(Local<Context> context,
                                                   PropertyFilter filter) {
   PREPARE_FOR_EXECUTION(context, Object, GetOwnPropertyNames, Array);
   auto self = Utils::OpenHandle(this);
   i::Handle<i::FixedArray> value;
   has_pending_exception =
-      !i::KeyAccumulator::GetKeys(self, i::OWN_ONLY,
-                                  static_cast<i::PropertyFilter>(filter))
+      !i::JSReceiver::GetKeys(self, i::OWN_ONLY,
+                              static_cast<i::PropertyFilter>(filter))
            .ToHandle(&value);
   RETURN_ON_FAILED_EXECUTION(Array);
   DCHECK(self->map()->EnumLength() == i::kInvalidEnumCacheSentinel ||
          self->map()->EnumLength() == 0 ||
          self->map()->instance_descriptors()->GetEnumCache() != *value);
   auto result = isolate->factory()->NewJSArrayWithElements(value);
   RETURN_ESCAPED(Utils::ToLocal(result));
 }
 
 MaybeLocal<String> v8::Object::ObjectProtoToString(Local<Context> context) {
@@ skipping 4890 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8