might be this is suspected but not sure 

https://chromium.googlesource.com/chromium/src/+/477a5a270598c17e72365572114490ae60e1ef56

lukasza@ please  can you look into this. if this is not your change please re- assign back . Thanks in advance

ClusterFuzz has detected this issue as fixed in range 405645:405727.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4633987507290112

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false. Http post load must use http(s) scheme in navigation_controller_impl.cc
  content::NavigationControllerImpl::LoadURLWithParams
  content::Shell::OpenURLFromTab
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=405563:405613
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=405645:405727

Minimized Testcase (0.08 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv951iPuecQtZ6isOS1okGqBNO-LcXbIcdP216POooFLumA7-ENaYM1P61YV-KQUpfj3h9LkeDP0s5Ns6dk3ilf91FzTcrMhDol8yePqrp0TWSgTQzaaCvni9DjCmtb0Vx8OgIJlljMNP-Etk0jf0Z9JPuuTwHQ?testcase_id=4633987507290112
<form target="_blank" method="post">
<script>
document.forms[0].submit();
</script>


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