should be reenabled. cc @felixrieseberg
atom/browser/api/atom_api_web_contents.cc
return web_contents()->GetUserAgentOverride();
}
bool WebContents::SavePage(const base::FilePath& full_file_path,
                           const content::SavePageType& save_type,
                           const SavePageHandler::SavePageCallback& callback) {
  auto* handler = new SavePageHandler(web_contents(), callback);
  return handler->Handle(full_file_path, save_type);
}
void WebContents::OpenDevTools(mate::Arguments* args) {
  if (type_ == REMOTE)
    return;
  if (!enable_devtools_)
    return;
  std::string state;
  if (type_ == WEB_VIEW || !owner_window()) {
    state = "detach";
  }
  if (args && args->Length() == 1) {
    mate::Dictionary options;
    if (args->GetNext(&options)) {
      options.Get("mode", &state);
    }
  }
  managed_web_contents()->SetDockState(state);
  managed_web_contents()->ShowDevTools();
}
void WebContents::CloseDevTools() {