| Index: test/runners/chromium_process.js | 
| =================================================================== | 
| --- a/test/runners/chromium_process.js | 
| +++ b/test/runners/chromium_process.js | 
| @@ -29,21 +29,23 @@ | 
| // Chromium 65.0.3325.0 is 530368 | 
| // We currently want Chromiun 63, as we still support it and that's the | 
| // loweset version that supports WebDriver. | 
| const CHROMIUM_REVISION = 508578; | 
|  | 
| function runScript(chromiumPath, script, scriptName, scriptArgs) | 
| { | 
| const options = new chrome.Options() | 
| -        .headless() | 
| // Disabling sandboxing is needed on some system configurations | 
| // like Debian 9. | 
| .addArguments("--no-sandbox") | 
| .setChromeBinaryPath(chromiumPath); | 
| +  // Headless doesn't seem to work on Windows. | 
| +  if (process.platform != "win32") | 
| +    options.headless(); | 
|  | 
| const driver = new Builder() | 
| .forBrowser("chrome") | 
| .setChromeOptions(options) | 
| .build(); | 
|  | 
| return executeScript(driver, "Chromium (WebDriver)", | 
| script, scriptName, scriptArgs); | 
|  |