seeing some recent changes to this file "ThreadState.cpp" done by @keishi 

Possible suspect::
https://chromium.googlesource.com/chromium/src/+/75da88a74e60c92b4456b06f254aa6919b4dee01%5E%21/

keishi @ Could you please look into this issue if it is related to your change,else please route this to an appropriate owner for this issue.

Thanks,

ClusterFuzz has detected this issue as fixed in range 408765:408781.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5306080565657600

Fuzzer: inferno_twister
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false. Invalid first_layout (unset) for first_paint 3.245s in metrics_web_conten
  page_load_metrics::IsValidPageLoadTiming
  page_load_metrics::PageLoadTracker::UpdateTiming
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_chrome&range=144946:145047
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_chrome&range=408765:408781

Minimized Testcase (0.12 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94tDoOVbsMqkJ1dhLUHAar_sjhcjwGulEAFX8M-MLrPIxz4jGo-Wa0x9hSuMPO1Rj-k8IGO-3pSTYCItMIEBPbtTxsIFlB1tyYOx0632nX5YGg6rQtmnmb8sgiBKnQHR0XM1ku9C3P-bRBbrbZqP0HNNRkukQ?testcase_id=5306080565657600

Additional requirements: Requires HTTP

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