All except `GetAsDictionary()`. Please use new shiny methods instead.
https://chromium.googlesource.com/chromium/src/+/master/base/values.h
atom/browser/net/url_request_async_asar_job.cc
base::FilePath::StringType file_path;
  if (options->is_dict()) {
    static_cast<base::DictionaryValue*>(options.get())
        ->GetString("path", &file_path);
  } else if (options->is_string()) {
    options->GetAsString(&file_path);
  }
  if (file_path.empty()) {
    NotifyStartError(net::URLRequestStatus(net::URLRequestStatus::FAILED,
                                           net::ERR_NOT_IMPLEMENTED));
  } else {
    asar::URLRequestAsarJob::Initialize(
        base::CreateSequencedTaskRunnerWithTraits(
            {base::MayBlock(), base::TaskPriority::USER_VISIBLE,
             base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}),
        base::FilePath(file_path));
    asar::URLRequestAsarJob::Start();
  }
}
void URLRequestAsyncAsarJob::GetResponseInfo(net::HttpResponseInfo* info) {
  std::string status("HTTP/1.1 200 OK");
  auto* headers = new net::HttpResponseHeaders(status);
  headers->AddHeader(kCORSHeader);
  info->headers = headers;
}
}