As per the  Issue 822584  owner, assigning this issue to mlamouri@.
mlamouri@ -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.
Thanks.

ClusterFuzz has detected this issue as fixed in range 581683:581684.

Detailed report: https://clusterfuzz.com/testcase?key=5477973881520128

Fuzzer: inferno_flicker
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false. Non-finite (i.e. NaN or positive/negative infinity) values cannot be repr
  base::Value::Value
  media::MediaLog::CreateSeekEvent
  
Sanitizer: address (ASAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_debug_chrome&range=581683:581684

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5477973881520128

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.

ClusterFuzz testcase 5477973881520128 is verified as fixed, so closing issue as verified.

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