src/vs/workbench/browser/parts/titlebar/titlebarPart.ts/TitlebarPart/onMenubarVisibilityChanged
class TitlebarPart:	protected onMenubarVisibilityChanged(visible: boolean): void {
		if (isWeb || isWindows || isLinux) {
			this.adjustTitleMarginToCenter();

			this._onMenubarVisibilityChange.fire(visible);
		}
	}