Avoid converting key to string for deleting of elements

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 3589 matching lines @@
   i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
   i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
   has_pending_exception =
       DefineObjectProperty(self, key_obj, value_obj,
                            static_cast<PropertyAttributes>(attribs)).is_null();
   EXCEPTION_BAILOUT_CHECK_SCOPED(isolate, false);
   return true;
 }
 
 
-MUST_USE_RESULT
-static i::MaybeHandle<i::Object> DeleteObjectProperty(
-    i::Isolate* isolate, i::Handle<i::JSReceiver> receiver,
-    i::Handle<i::Object> key, i::LanguageMode language_mode) {
-  // Check if the given key is an array index.
-  uint32_t index = 0;
-  if (key->ToArrayIndex(&index)) {
-    return i::JSReceiver::DeleteElement(receiver, index, language_mode);
-  }
-
-  i::Handle<i::Name> name;
-  ASSIGN_RETURN_ON_EXCEPTION_VALUE(isolate, name,
-                                   i::Runtime::ToName(isolate, key),
-                                   i::MaybeHandle<i::Object>());
-
-  return i::JSReceiver::DeletePropertyOrElement(receiver, name, language_mode);
-}
-
-
 MaybeLocal<Value> v8::Object::Get(Local<v8::Context> context,
                                   Local<Value> key) {
   PREPARE_FOR_EXECUTION(context, "v8::Object::Get()", Value);
   auto self = Utils::OpenHandle(this);
   auto key_obj = Utils::OpenHandle(*key);
   i::Handle<i::Object> result;
   has_pending_exception =
       !i::Runtime::GetObjectProperty(isolate, self, key_obj).ToHandle(&result);
   RETURN_ON_FAILED_EXECUTION(Value);
   RETURN_ESCAPED(Utils::ToLocal(result));
@@ skipping 237 matching lines @@
   return Utils::ToLocal(name);
 }
 
 
 Maybe<bool> v8::Object::Delete(Local<Context> context, Local<Value> key) {
   PREPARE_FOR_EXECUTION_PRIMITIVE(context, "v8::Object::Delete()", bool);
   auto self = Utils::OpenHandle(this);
   auto key_obj = Utils::OpenHandle(*key);
   i::Handle<i::Object> obj;
   has_pending_exception =
-      !DeleteObjectProperty(isolate, self, key_obj, i::SLOPPY).ToHandle(&obj);
+      !i::Runtime::DeleteObjectProperty(isolate, self, key_obj, i::SLOPPY)
+           .ToHandle(&obj);
   RETURN_ON_FAILED_EXECUTION_PRIMITIVE(bool);
   return Just(obj->IsTrue());
 }
 
 
 bool v8::Object::Delete(v8::Handle<Value> key) {
   auto context = ContextFromHeapObject(Utils::OpenHandle(this));
   return Delete(context, key).FromMaybe(false);
 }
 
@@ skipping 4558 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