| CONSOLE MESSAGE: Content blocker prevented frame displaying http://127.0.0.1:8000/contentextensions/sync-xhr-blocked.html from loading a resource from http://127.0.0.1:8000/contentextensions/resources/url-blocking-test.js | |
| CONSOLE MESSAGE: XMLHttpRequest cannot load http://127.0.0.1:8000/contentextensions/resources/url-blocking-test.js. | |
| Synchronous status: 0, readyState:1, responseText: | |
| Synchronous status: 0, readyState:4, responseText: | |
| Synchronous error: NetworkError: A network error occurred. | |