ClusterFuzz has detected this issue as fixed in range 410269:410271.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5974176007716864

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  iter != handle_map_.end() in speech_recognition_dispatcher.cc
  content::SpeechRecognitionDispatcher::OnErrorOccurred
  _ZN3IPC8MessageTI39SpeechRecognitionMsg_ErrorOccurred_MetaNSt3__15tupleIJiN7cont
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_tsan_chrome_mp&range=393279:393341
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_tsan_chrome_mp&range=410269:410271

Minimized Testcase (0.19 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95QkJCodFCMdmdMJYyZ9p9nXxIyqL1_RtQ24GfAf5B1S0FI4PI8V1WmQLLs6v0yVpP-znEaXECk6RUTSH0y0XoJQ8iJttWAi2evW6XzVwo4Tsuf7fFl769nKKNvLCTVkR_OgVqYKFD1_wKJZUh73s-s001kFA?testcase_id=5974176007716864
<script>
 var recognition = new webkitSpeechRecognition();
  recognition.onend = function() {
    recognition.start();
    recognition.stop();
  };
  recognition.start();
recognition.stop();</script>


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