Tests that XMLHttpRequest Logging works when Enabled and doesn't show logs when Disabled.

Message count: 2
VM:37 XHR finished loading: GET "http://127.0.0.1:8000/devtools/resources/xhr-exists.html".
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ console-xhr-logging.js:27
console-xhr-logging.js:20 sending a GET request to resources/xhr-exists.html

Message count: 3
VM:37 GET http://127.0.0.1:8000/devtools/resources/xhr-does-not-exist.html 404 (Not Found)
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ console-xhr-logging.js:33
VM:37 XHR failed loading: GET "http://127.0.0.1:8000/devtools/resources/xhr-does-not-exist.html".
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ console-xhr-logging.js:33
console-xhr-logging.js:20 sending a GET request to resources/xhr-does-not-exist.html

Message count: 2
VM:37 XHR finished loading: POST "http://127.0.0.1:8000/devtools/resources/post-target.cgi".
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ VM:1
console-xhr-logging.js:20 sending a POST request to resources/post-target.cgi

Message count: 4
VM:37 Access to XMLHttpRequest at 'http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html' from origin 'http://127.0.0.1:8000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ VM:1
VM:37 GET http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html net::ERR_FAILED 200 (OK)
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ VM:1
VM:37 XHR failed loading: GET "http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html".
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ VM:1
console-xhr-logging.js:20 sending a GET request to http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html

Message count: 1
console-xhr-logging.js:20 sending a GET request to resources/xhr-exists.html

Message count: 2
VM:37 GET http://127.0.0.1:8000/devtools/resources/xhr-does-not-exist.html 404 (Not Found)
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ VM:1
console-xhr-logging.js:20 sending a GET request to resources/xhr-does-not-exist.html

Message count: 1
console-xhr-logging.js:20 sending a POST request to resources/post-target.cgi

Message count: 3
VM:37 Access to XMLHttpRequest at 'http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html' from origin 'http://127.0.0.1:8000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ VM:1
VM:37 GET http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html net::ERR_FAILED 200 (OK)
makeXHR @ VM:37
makeSimpleXHRWithPayload @ VM:13
makeSimpleXHR @ VM:9
requestHelper @ console-xhr-logging.js:21
(anonymous) @ VM:1
console-xhr-logging.js:20 sending a GET request to http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html