https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=http%2Ftests%2Fdevtools%2Ftracing%2Fframe-model-instrumentation.html&testType=webkit_layout_tests

Builders failed on: 
- WebKit Win7 (dbg): 
  https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Win7%20%28dbg%29

Regression range:
https://chromium.googlesource.com/chromium/src/+log/1710eafbcfae3cb1b995adb6804d1c75ddc98866%5E..9044af2941b48986a24c65852281146d07e11df0?pretty=fuller&n=

Alexei, you have a patch in this range related to devtools and tracing, could you investigate (or re-triage to the correct owner?)