https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=webkit_tests&tests=timeline-runtime-stats.html&showLargeExpectations=true

https://storage.googleapis.com/chromium-layout-test-archives/WebKit_Linux_Trusty/24638/layout-test-results/inspector/tracing/timeline-js/timeline-runtime-stats-diff.txt

--- /b/rr/tmp8SkDSa/w/layout-test-results/inspector/tracing/timeline-js/timeline-runtime-stats-expected.txt
+++ /b/rr/tmp8SkDSa/w/layout-test-results/inspector/tracing/timeline-js/timeline-runtime-stats-actual.txt
@@ -1 +1,13 @@
 Check that RuntimeCallStats are present in profile.
+
+Exception while running: () => callback()
+Error: Failure (FunctionCallback frame not found): expected <true> found <false>
+    at Object.InspectorTest.assertEquals (evaluateInWebInspector0.js:593:11)
+    at Object.InspectorTest.assertTrue (evaluateInWebInspector0.js:598:19)
+    at finish (evaluateInWebInspector1.js:71:23)
+    at Timeline.TimelinePanel.InspectorTest.addSniffer (evaluateInWebInspector0.js:1187:75)
+    at Timeline.TimelinePanel.result (evaluateInWebInspector0.js:626:25)
+    at Timeline.TimelinePanel.receiver.(anonymous function) (evaluateInWebInspector0.js:656:22)
+    at Timeline.TimelineController._finalizeTrace (file:///b/c/b/linux_layout/src/out/Release/resources/inspector/timeline/timeline_module.js:126:99)
+    at setTimeout (file:///b/c/b/linux_layout/src/out/Release/resources/inspector/timeline/timeline_module.js:125:76)
+