src/vs/platform/native/electron-main/nativeHostMainService.ts/NativeHostMainService/registerListeners
class NativeHostMainService:	private registerListeners(): void {

		// Color Scheme changes
		nativeTheme.on('updated', () => {
			this._onDidChangeColorScheme.fire({
				highContrast: nativeTheme.shouldUseInvertedColorScheme || nativeTheme.shouldUseHighContrastColors,
				dark: nativeTheme.shouldUseDarkColors
			});
		});
	}