src/vs/platform/menubar/electron-main/menubar.ts/Menubar/currentEnableNativeTabs
class Menubar:	private get currentEnableNativeTabs(): boolean {
		if (!isMacintosh) {
			return false;
		}

		const enableNativeTabs = this.configurationService.getValue('window.nativeTabs');
		if (typeof enableNativeTabs !== 'boolean') {
			return false;
		}
		return enableNativeTabs;
	}