src/vs/platform/theme/electron-main/themeMainService.ts/ThemeMainService/constructor
class ThemeMainService:	constructor(@IStateMainService private stateMainService: IStateMainService, @IConfigurationService private configurationService: IConfigurationService) {
		super();

		// Color Scheme changes
		nativeTheme.on('updated', () => {
			this._onDidChangeColorScheme.fire(this.getColorScheme());
		});
	}