| CONSOLE MESSAGE: line 21: 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: line 21: 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. |
| |
