Predator and CL could not provide any possible suspects.
Using Code Search for the file, "scriptwrappablevisitor.cpp" assigning to the concern owner.

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/594ca9154ab4c2597ea11b8d6bc6d873274a79ce

@adithyas -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

I doubt this is related to my change (which is just file movement). 
mlippautz@: Could you take a look?

Probably related to  issue 753293  which is flushing out some unrelated bug. Waiting until CF catches up.

ClusterFuzz has detected this issue as fixed in range 493422:493447.

Detailed report: https://clusterfuzz.com/testcase?key=6469888364511232

Fuzzer: inferno_twister
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x00000007
Crash State:
  blink::ScriptWrappableVisitor::DispatchTraceWrappers
  blink::TraceTrait<blink::V8AbstractEventListener>::TraceMarkedWrapper
  blink::ScriptWrappableVisitor::AdvanceTracing
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=492522:492554
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=493422:493447

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6469888364511232

See https://github.com/google/clusterfuzz-tools for more information.

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