Through code search on file "pipeline_impl.cc" suspecting the below change

https://chromium.googlesource.com/chromium/src/+/7655364f9ae672fdbd05e5751006387207b0bf51%5E%21/

sandersd @ Could you please look into this issue if it is related to your change,else please route this to an appropriate dev person.

Thnaks,

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a3357712db3cc460c2b23267f6fd62223784aece

commit a3357712db3cc460c2b23267f6fd62223784aece
Author: sandersd <sandersd@chromium.org>
Date: Fri Apr 29 20:12:19 2016

Lock to access |statistics_| in StateTransitionTask().

BUG= 607843 

Review-Url: https://codereview.chromium.org/1939453002
Cr-Commit-Position: refs/heads/master@{#390730}

[modify] https://crrev.com/a3357712db3cc460c2b23267f6fd62223784aece/media/base/pipeline_impl.cc

ClusterFuzz has detected this issue as fixed in range 390873:390881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5630950754484224

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race READ 8
Crash Address: 0x7d64000137d0
Crash State:
  media::PipelineImpl::GetStatistics
  media::WebMediaPlayerImpl::FinishMemoryUsageReport
  base::internal::Invoker<base::IndexSequence<0ul>, base::internal::BindState<base
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_tsan_chrome_mp&range=390312:390330
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_tsan_chrome_mp&range=390873:390881

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96LupQoHdnF5C4flTDwI6abvkg8TJmdHhln93e3fZYW_wzCTktq9Ogp6KD2EAsTP1DxHydSqowMWTZDevTdjiZybWpvmID8X49BcayDBXKWYmwX8ScNEYE3WiV53pwMj7T59c-ET0B-ZdrPyBMAlm6_uJ-SRGT2kt2feyrMAMonBlDNUtk


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