Adding template parameter to PrototypeIterator GetCurrent for casting

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 3684 matching lines @@
   auto isolate = Utils::OpenHandle(this)->GetIsolate();
   i::PrototypeIterator iter(isolate, *Utils::OpenHandle(this),
                             i::PrototypeIterator::START_AT_RECEIVER);
   auto tmpl_info = *Utils::OpenHandle(*tmpl);
   while (!tmpl_info->IsTemplateFor(iter.GetCurrent())) {
     iter.Advance();
     if (iter.IsAtEnd()) {
       return Local<Object>();
     }
   }
-  return Utils::ToLocal(
-      i::handle(i::JSObject::cast(iter.GetCurrent()), isolate));
+  return Utils::ToLocal(i::handle(iter.GetCurrent<i::JSObject>(), isolate));
 }
 
 
 MaybeLocal<Array> v8::Object::GetPropertyNames(Local<Context> context) {
   PREPARE_FOR_EXECUTION(context, "v8::Object::GetPropertyNames()", Array);
   auto self = Utils::OpenHandle(this);
   i::Handle<i::FixedArray> value;
   has_pending_exception = !i::JSReceiver::GetKeys(
       self, i::JSReceiver::INCLUDE_PROTOS).ToHandle(&value);
   RETURN_ON_FAILED_EXECUTION(Array);
@@ skipping 4686 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