Recently bcwhite@ fixes around persistent histograms. could you please take a look?
Thank you.

ClusterFuzz has detected this issue as fixed in range 458081:458090.

Detailed report: https://clusterfuzz.com/testcase?key=5455852141281280

Fuzzer: ochang_domfuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race READ 1
Crash Address: 0x7f9857481c90
Crash State:
  base::PersistentHistogramAllocator::CreateHistogram
  base::PersistentHistogramAllocator::AllocateHistogram
  base::Histogram::Factory::Build
  
Sanitizer: thread (TSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=458081:458090

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95MVxZqLUpuo44prdBgsE2HCNdUPMkmcsH23txsT_cTu7NAcx0dWHnzbb1z3EDNrxFGqx7hVlE2ZUt791S7jDCkThoE9X63AyPdZULg0EnqzWLzdx2FPCWosQbCrBpwoauv_sHd1hPdQZxxLVHD1sRZIwYxIueSTV31ZCgIh7jDeYQ6xhGJLj1BCuxxgv5JGsrXMxMbYl5rwVxOjk6bWzCEv-mKoIoMZ2EZ8DvEEUcwB9ONVqopsTMYpFLp7egdyu3-2XEiXMUT-fIswPaovWFUJ1fpnaMxjDc31gRTDn8FNuEedxtlu4ACvVNcRle6zKfVUBajRFoTvBBEKhUJUMk5ZUPYQrljcPwhJ7xfjJbqOGcABsc?testcase_id=5455852141281280


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 5455852141281280 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.