CONSOLE WARNING: line 20: Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
[10345:39171:1023/232554.572424:869763621292:ERROR:service_manager.cc(157)] Connection InterfaceProviderSpec prevented service: content_renderer from binding interface: blink::mojom::ReportingServiceProxy exposed by: content_browser
CONSOLE ERROR: line 51: Failed to load http://www1.web-platform.test:8001/cors/resources/cors-makeheader.py?headers=x-print: Request header field y-print is not allowed by Access-Control-Allow-Headers in preflight response.
