### Preflight Checklist

- [X] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
- [X] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
- [X] I have searched the [issue tracker](https://www.github.com/electron/electron/issues) for a feature request that matches the one I want to file, without success.

### Electron Version

12.0.0

### What operating system are you using?

macOS

### Operating System Version

10.14.0

### What arch are you using?

x64

### Last Known Working Electron version

---

### Expected Behavior

No crash when calling method

### Actual Behavior

App crashes when calling `getBackgroundColr()`

### Testcase Gist URL

https://gist.github.com/d50e366f070104cac377fd7a48722cbe

### Additional Information

_No response_


shell/browser/native_window_views.cc
params.wm_class_name = base::ToLowerASCII(name);
  params.wm_class_class = name;
#endif
  widget()->Init(std::move(params));
  bool fullscreen = false;
  options.Get(options::kFullscreen, &fullscreen);
  std::string window_type;
  options.Get(options::kType, &window_type);
#if defined(USE_X11)
  if (!features::IsUsingOzonePlatform()) {
    
    window_state_watcher_ = std::make_unique<WindowStateWatcher>(this);
    
    bool use_dark_theme = false;
    if (options.Get(options::kDarkTheme, &use_dark_theme) && use_dark_theme) {
      SetGTKDarkThemeEnabled(use_dark_theme);
    }
  }
#endif
#if defined(OS_LINUX)
  if (parent)
    SetParentWindow(parent);
#endif
#if defined(USE_X11)
  if (!features::IsUsingOzonePlatform()) {
    
    
    std::vector<x11::Atom> state_atom_list;
    bool skip_taskbar = false;
    if (options.Get(options::kSkipTaskbar, &skip_taskbar) && skip_taskbar) {