Find it and CL did not provide any possible suspects.
Using Code Search for the file, "WheelEvent.cpp" assigning to the concern owner.
Suspecting Commit# 
https://chromium.googlesource.com/chromium/src/+/ceb9f02292f683da9bbb080918423eeda5ce8c95

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

ClusterFuzz has detected this issue as fixed in range 440242:440280.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5065504067944448

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::WheelEvent::WheelEvent
  blink::WheelEvent::create
  constructor
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=440242:440280

Minimized Testcase (6.97 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95d7EtAi1JYnoHDwfjDrRCqJdIr5lENGT-8mx-keq2xiB6W5MXtEeduCw6Sse7NwDIG2vLOsnJnGJxMO7FdofRpMtX2CyKuqs5Gw2ujLd0En_kq1EhkjmNEkGfrsZ8ZE8T344OXz54MSfAj4O1FdqLcmWk58A?testcase_id=5065504067944448

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 5065504067944448 is verified as fixed, so closing issue.

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