See recent builds:
https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20%28dbg%29%281%29?numbuilds=200

Example:
https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20%28dbg%29%281%29/builds/61825


Example Failure log:
[ RUN      ] ActivationLevelTest/SubresourceFilterSafeBrowsingActivationThrottleParamTest.ListMatchedOnStartWithRedirect_NoActivation/2
../../base/test/histogram_tester.cc(178): error:       Expected: expected_count
      Which is: 1
To be equal to: actual_count
      Which is: 0
Histogram "SubresourceFilter.PageLoad.SafeBrowsingDelay" does not have the right number of samples (1) in the expected bucket (0). It has (0).