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

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/be5aadf1dfe860773906916f583270793e45db3d

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

This would be a preexisting issue, I only renamed methods.  Not worth prioritizing unless it shows up with frequent crash reports (also this code is due for a rewrite anyway).

ClusterFuzz has detected this issue as fixed in range 495550:495592.

Detailed report: https://clusterfuzz.com/testcase?key=4527700126728192

Fuzzer: inferno_twister
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x00000013
Crash State:
  blink::AutoscrollController::ScheduleMainThreadAnimation
  blink::AutoscrollController::Animate
  blink::PageWidgetDelegate::Animate
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=485940:485950
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=495550:495592

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4527700126728192

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.

 Issue 765964  has been merged into this issue.

 Issue 771558  has been merged into this issue.

Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.