### Preflight Checklist

- [X] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/main/CONTRIBUTING.md) for this project.
- [X] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/main/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

15.2.0

### What operating system are you using?

Windows

### Operating System Version

Windows 10 version 20H2

### What arch are you using?

x64

### Last Known Working Electron version

15.1.2

### Expected Behavior

Apply `setContentProtection` function without any effects on the application window behavior on `browser-window-created` event.

### Actual Behavior

When `setContentProtection` function is called on `browser-window-created` event, the application window form will changed when the focus is backed.  The value of the argument of `setContentProtection` has no effect on the result.
![setContentProtectionIssue](https://user-images.githubusercontent.com/441950/140640295-ca25b82d-d36b-4101-b38e-b8def46bab3e.gif)



### Testcase Gist URL

https://gist.github.com/KazuyaHayashi/33372ae657dde602e68fdb50aabafa31

### Additional Information

When I call `setContentProtection` just after creating `BrowserWindow`, this issue does not happen. But I want to set contents protection on each windows which are created by `new-window` event. Therefor, I have called `setContentProtection` function on `browser-window-created` event.
shell/browser/native_window_views.cc
NativeWindow* parent)
    : NativeWindow(options, parent),
      root_view_(std::make_unique<RootView>(this)),
      keyboard_event_handler_(
          std::make_unique<views::UnhandledKeyboardEventHandler>()) {
  options.Get(options::kTitle, &title_);
  bool menu_bar_autohide;
  if (options.Get(options::kAutoHideMenuBar, &menu_bar_autohide))
    root_view_->SetAutoHideMenuBar(menu_bar_autohide);
#if defined(OS_WIN)
  
  
  options.Get(options::kResizable, &resizable_);
  options.Get(options::kMinimizable, &minimizable_);
  options.Get(options::kMaximizable, &maximizable_);
  
  options.Get("thickFrame", &thick_frame_);
  if (transparent())
    thick_frame_ = false;
  overlay_button_color_ = color_utils::GetSysSkColor(COLOR_BTNFACE);
  overlay_symbol_color_ = color_utils::GetSysSkColor(COLOR_BTNTEXT);
  v8::Local<v8::Value> titlebar_overlay;
  if (options.Get(options::ktitleBarOverlay, &titlebar_overlay) &&
      titlebar_overlay->IsObject()) {