In this CQ run:
https://ci.chromium.org/p/chromium/builders/luci.chromium.try/win7_chromium_rel_ng/89223

The console-xhr-logging.js test failed in the 'with patch' and 'retry with patch' steps, but not 'without patch'. The CL had nothing to do with content or devtools. 

This is the diff of the output:
"""
--- e:\b\s\w\iod8rxtu\layout-test-results\http/tests/devtools/console-xhr-logging-expected.txt
+++ e:\b\s\w\iod8rxtu\layout-test-results\http/tests/devtools/console-xhr-logging-actual.txt
@@ -17,13 +17,13 @@
 
 Message count: 3
 console-xhr-logging.js:13 sending a GET request to resources/xhr-does-not-exist.html
-VM:37 GET http://127.0.0.1:8000/devtools/resources/xhr-does-not-exist.html 404 (Not Found)
+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:14
 (anonymous) @ console-xhr-logging.js:26
-VM:37 XHR failed loading: GET "http://127.0.0.1:8000/devtools/resources/xhr-does-not-exist.html".
+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
@@ -41,13 +41,13 @@
 
 Message count: 3
 console-xhr-logging.js:13 sending a GET request to http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html
-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.
+VM:37 XHR finished 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:14
 (anonymous) @ VM:1
-VM:37 XHR finished loading: GET "http://localhost:8000/devtools/resources/cors-disabled/xhr-exists.html".
+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
"""

It looks like the requests are coming back in an unexpected order, which is causing the expectations to fail.