> // DEPRECATED, use std::make_unique<Value>(const BlobStorage&) instead.

We use it in a few files in `atom/common/native_mate_converters/*.cc`.
atom/common/native_mate_converters/net_converter.cc
v8::Isolate* isolate,
    net::HttpResponseHeaders* headers) {
  base::DictionaryValue response_headers;
  if (headers) {
    size_t iter = 0;
    std::string key;
    std::string value;
    while (headers->EnumerateHeaderLines(&iter, &key, &value)) {
      key = base::ToLowerASCII(key);
      if (response_headers.FindKey(key)) {
        base::ListValue* values = nullptr;
        if (response_headers.GetList(key, &values))
          values->AppendString(value);
      } else {
        auto values = std::make_unique<base::ListValue>();
        values->AppendString(value);
        response_headers.Set(key, std::move(values));
      }
    }
  }
  return ConvertToV8(isolate, response_headers);
}
bool Converter<net::HttpResponseHeaders*>::FromV8(