Find it did not provide any possible suspect.
Assigning to the concern owner from the CL regressed --
https://chromium.googlesource.com/chromium/src/+log/130118b33aedccfb976ad90a0a63814411c31c63..82c15d32037f143d5fb351914ef359172514b95b?pretty=fuller

Suspecting Commit# 
https://chromium.googlesource.com/chromium/src/+/c6dd4461f54c7d3f4e87bc6626e4a81f4b36dba0

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

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/73ac3ff0ecf46d891ec19cad2261472c9a4292ea

commit 73ac3ff0ecf46d891ec19cad2261472c9a4292ea
Author: guidou <guidou@chromium.org>
Date: Sun Dec 11 18:23:28 2016

Ensure that selected video format is valid when resolving video-capture constraints.

BUG= 671181 

Review-Url: https://codereview.chromium.org/2559223002
Cr-Commit-Position: refs/heads/master@{#437797}

[modify] https://crrev.com/73ac3ff0ecf46d891ec19cad2261472c9a4292ea/content/renderer/media/media_stream_video_source.cc

ClusterFuzz has detected this issue as fixed in range 437664:438063.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6190735201402880

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  params.requested_format.IsValid() in media_stream_video_capturer_source.cc
  content::LocalVideoCapturerSource::StartCapture
  content::MediaStreamVideoCapturerSource::StartSourceImpl
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=390839:390858
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=437664:438063

Minimized Testcase (0.53 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95UsqdoOGyydrN_rcMNPEKR-sGhMpM7vmXEPaHpfgOm4-aC1yORuPF5NHeropWPYDcVNaPH-o9pBe17DGgUw1Zrjj-aZ97DbawYGAtrBYB5TBX5T3DXzIOp2wCIUvLP_Y9wWMKD4rSHs-rXtAfw_0yveo012w?testcase_id=6190735201402880

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.