Need a Linux impl for https://github.com/electron/electron/pull/12485
atom/browser/api/atom_api_top_level_window.cc
window_->SetMaximizable(maximizable);
}
bool TopLevelWindow::IsMaximizable() {
  return window_->IsMaximizable();
}
void TopLevelWindow::SetFullScreenable(bool fullscreenable) {
  window_->SetFullScreenable(fullscreenable);
}
bool TopLevelWindow::IsFullScreenable() {
  return window_->IsFullScreenable();
}
void TopLevelWindow::SetClosable(bool closable) {
  window_->SetClosable(closable);
}
bool TopLevelWindow::IsClosable() {
  return window_->IsClosable();
}
void TopLevelWindow::SetAlwaysOnTop(bool top, mate::Arguments* args) {
  std::string level = "floating";
  int relative_level = 0;
  args->GetNext(&level);
  args->GetNext(&relative_level);
  std::string error;
  window_->SetAlwaysOnTop(top, level, relative_level, &error);
  if (!error.empty())
    args->ThrowError(error);
}
bool TopLevelWindow::IsAlwaysOnTop() {