docs: `titleBarOverlay` is defined as a `BaseWindow` ctor option (#43430)

docs: titleBarOverlay is defined as a BaseWindow ctor option

docs/api/structures/base-window-options.md

@@ -91,6 +91,10 @@
     title bar and a full size content window, the traffic light buttons will
     display when being hovered over in the top left of the window.
     **Note:** This option is currently experimental.
+* `titleBarOverlay` Object | Boolean (optional) -  When using a frameless window in conjunction with `win.setWindowButtonVisibility(true)` on macOS or using a `titleBarStyle` so that the standard window controls ("traffic lights" on macOS) are visible, this property enables the Window Controls Overlay [JavaScript APIs][overlay-javascript-apis] and [CSS Environment Variables][overlay-css-env-vars]. Specifying `true` will result in an overlay with default system colors. Default is `false`.
+  * `color` String (optional) _Windows_ _Linux_ - The CSS color of the Window Controls Overlay when enabled. Default is the system color.
+  * `symbolColor` String (optional) _Windows_ - The CSS color of the symbols on the Window Controls Overlay when enabled. Default is the system color.
+  * `height` Integer (optional) - The height of the title bar and Window Controls Overlay in pixels. Default is system height.
 * `trafficLightPosition` [Point](point.md) (optional) _macOS_ -
   Set a custom position for the traffic light buttons in frameless windows.
 * `roundedCorners` boolean (optional) _macOS_ - Whether frameless window
@@ -149,3 +153,6 @@ Possible values are:
     reserved for NSPanel, at runtime. Also, the window will appear on all
     spaces (desktops).
 * On Windows, possible type is `toolbar`.
+
+[overlay-css-env-vars]: https://github.com/WICG/window-controls-overlay/blob/main/explainer.md#css-environment-variables
+[overlay-javascript-apis]: https://github.com/WICG/window-controls-overlay/blob/main/explainer.md#javascript-apis

docs/api/structures/browser-window-options.md

@@ -2,10 +2,3 @@
 
 * `webPreferences` [WebPreferences](web-preferences.md?inline) (optional) - Settings of web page's features.
 * `paintWhenInitiallyHidden` boolean (optional) - Whether the renderer should be active when `show` is `false` and it has just been created.  In order for `document.visibilityState` to work correctly on first load with `show: false` you should set this to `false`.  Setting this to `false` will cause the `ready-to-show` event to not fire.  Default is `true`.
-* `titleBarOverlay` Object | Boolean (optional) -  When using a frameless window in conjunction with `win.setWindowButtonVisibility(true)` on macOS or using a `titleBarStyle` so that the standard window controls ("traffic lights" on macOS) are visible, this property enables the Window Controls Overlay [JavaScript APIs][overlay-javascript-apis] and [CSS Environment Variables][overlay-css-env-vars]. Specifying `true` will result in an overlay with default system colors. Default is `false`.
-  * `color` String (optional) _Windows_ _Linux_ - The CSS color of the Window Controls Overlay when enabled. Default is the system color.
-  * `symbolColor` String (optional) _Windows_ - The CSS color of the symbols on the Window Controls Overlay when enabled. Default is the system color.
-  * `height` Integer (optional) - The height of the title bar and Window Controls Overlay in pixels. Default is system height.
-
-[overlay-css-env-vars]: https://github.com/WICG/window-controls-overlay/blob/main/explainer.md#css-environment-variables
-[overlay-javascript-apis]: https://github.com/WICG/window-controls-overlay/blob/main/explainer.md#javascript-apis