https://chromium-review.googlesource.com/c/chromium/src/+/1352239

This is due to oilpan test failures: 

[20/25] contrib.oilpan.oilpan_gc_times_unittest.OilpanGCTimesTest.testForParsing failed unexpectedly 0.0015s:
  Traceback (most recent call last):
    File "/b/s/w/ir/tools/perf/contrib/oilpan/oilpan_gc_times_unittest.py", line 130, in testForParsing
      data = self._GenerateDataForParsing()
    File "/b/s/w/ir/tools/perf/contrib/oilpan/oilpan_gc_times_unittest.py", line 222, in _GenerateDataForParsing
      data = self._GenerateDataForEmptyPageSet()
    File "/b/s/w/ir/tools/perf/contrib/oilpan/oilpan_gc_times_unittest.py", line 194, in _GenerateDataForEmptyPageSet
      data.results.WillRunPage(page)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/results/page_test_results.py", line 462, in WillRunPage
      page, storyset_repeat_counter)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/results/page_test_results.py", line 161, in WillRunStory
      self._UpdateDiagnostics()
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/results/page_test_results.py", line 218, in _UpdateDiagnostics
      for name, value in self.AsDict().items():
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/results/page_test_results.py", line 193, in AsDict
      'benchmark_name must be set exactly once')
  AssertionError: benchmark_name must be set exactly once


Suspect this is caused by: 
2018-11-26 eyaich@google.com Create method to add shared diagnostics to histograms not created through tbmv2


I will disable the oilpan unittests for now.