Version: 54.0.2808.0 (Developer Build) (64-bit) with dcheck_always_on=1
 flags: Enable navigation tracing
        Trace label for navigation tracing: Other
OS: Linux

What steps will reproduce the problem?
(1)
(2)
(3)

What is the expected output?

What do you see instead?
[1:2:0726/155327:FATAL:values.cc(257)] Check failed: IsStringUTF8(in_value).
#0 0x7ffff7a7c06e base::debug::StackTrace::StackTrace()
#1 0x7ffff7a9d25b logging::LogMessage::~LogMessage()
#2 0x7ffff7b3d2e5 base::StringValue::StringValue()
#3 0x7ffff7b3e329 base::DictionaryValue::SetStringWithoutPathExpansion()
#4 0x7ffff7b299ee base::trace_event::TracedValue::ToBaseValue()
#5 0x7ffff7b29f7a base::trace_event::TracedValue::AppendAsTraceFormat()
#6 0x7ffff7b2afdb base::trace_event::TraceEvent::AppendAsJSON()
#7 0x7ffff7b32a5f base::trace_event::TraceLog::ConvertTraceEventsToTraceFormat()

#8 0x7ffff7b3282e base::trace_event::TraceLog::FinishFlush()
#9 0x7ffff7a7d259 base::debug::TaskAnnotator::RunTask()
#10 0x7ffff7aa7bd5 base::MessageLoop::RunTask()
#11 0x7ffff7aa7f08 base::MessageLoop::DeferOrRunPendingTask()
#12 0x7ffff7aa82bb base::MessageLoop::DoWork()
#13 0x7ffff7aab1e9 base::MessagePumpLibevent::Run()
#14 0x7ffff7aa76d1 base::MessageLoop::RunHandler()
#15 0x7ffff7ad5ee0 base::RunLoop::Run()
#16 0x7ffff7b0ba1d base::Thread::Run()
#17 0x7ffff7b0bc02 base::Thread::ThreadMain()
#18 0x7ffff7b05285 base::(anonymous namespace)::ThreadFunc()
#19 0x7ffff7bc4184 start_thread
#20 0x7fffeeb8637d clone

Received signal 6
#0 0x7ffff7a7bc07 base::debug::(anonymous namespace)::StackDumpSignalHandler()
#1 0x7ffff7bcc330 <unknown>
#2 0x7fffeeac2c37 gsignal
#3 0x7fffeeac6028 abort
#4 0x7ffff7a7a512 base::debug::BreakDebugger()
#5 0x7ffff7a9d51a logging::LogMessage::~LogMessage()
#6 0x7ffff7b3d2e5 base::StringValue::StringValue()
#7 0x7ffff7b3e329 base::DictionaryValue::SetStringWithoutPathExpansion()
#8 0x7ffff7b299ee base::trace_event::TracedValue::ToBaseValue()
#9 0x7ffff7b29f7a base::trace_event::TracedValue::AppendAsTraceFormat()
#10 0x7ffff7b2afdb base::trace_event::TraceEvent::AppendAsJSON()
#11 0x7ffff7b32a5f base::trace_event::TraceLog::ConvertTraceEventsToTraceFormat(
)
#12 0x7ffff7b3282e base::trace_event::TraceLog::FinishFlush()
#13 0x7ffff7a7d259 base::debug::TaskAnnotator::RunTask()
#14 0x7ffff7aa7bd5 base::MessageLoop::RunTask()
#15 0x7ffff7aa7f08 base::MessageLoop::DeferOrRunPendingTask()
#16 0x7ffff7aa82bb base::MessageLoop::DoWork()
#17 0x7ffff7aab1e9 base::MessagePumpLibevent::Run()
#18 0x7ffff7aa76d1 base::MessageLoop::RunHandler()
#19 0x7ffff7ad5ee0 base::RunLoop::Run()
#20 0x7ffff7b0ba1d base::Thread::Run()
#21 0x7ffff7b0bc02 base::Thread::ThreadMain()
#22 0x7ffff7b05285 base::(anonymous namespace)::ThreadFunc()
#23 0x7ffff7bc4184 start_thread
#24 0x7fffeeb8637d clone
  r8: ffffaac51aa5e828  r9: ffffaac51aa5e818 r10: 0000000000000008 r11: 00000000
00000202
 r12: 00002ac4fb3a9720 r13: 00007ffff7b6d8ec r14: 00007fffe0200c68 r15: 00007fff
e0200c58
  di: 0000000000000001  si: 0000000000000002  bp: 00007fffe0200e98  bx: 00000000
00000000
  dx: 0000000000000006  ax: 0000000000000000  cx: ffffffffffffffff  sp: 00007fff
e02006a8
  ip: 00007fffeeac2c37 efl: 0000000000000202 cgf: 0000000000000033 erf: 00000000
00000000
 trp: 0000000000000001 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]


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