src/vs/workbench/services/themes/electron-sandbox/nativeHostColorSchemeService.ts/NativeHostColorSchemeService/update
class NativeHostColorSchemeService:	private update({ highContrast, dark }: IColorScheme) {
		if (dark !== this.dark || highContrast !== this.highContrast) {

			this.dark = dark;
			this.highContrast = highContrast;
			this.storageService.store(NativeHostColorSchemeService.STORAGE_KEY, JSON.stringify({ highContrast, dark }), StorageScope.APPLICATION, StorageTarget.MACHINE);
			this._onDidChangeColorScheme.fire();
		}
	}