Fairly new profile, I had disabled data type History. When I added a custom passphrase chrome immediately crashed.

[114415:114562:0208/093005.555459:FATAL:model_type_worker.cc(369)] Check failed: !sync_entity->id_string().empty(). 
#0 0x7f190425c6f7 base::debug::StackTrace::StackTrace()
#1 0x7f190427ff2b logging::LogMessage::~LogMessage()
#2 0x7f19068816a2 syncer::ModelTypeWorker::AdjustCommitProto()
#3 0x7f19068814ae syncer::ModelTypeWorker::GetContribution()
#4 0x7f19068819cd syncer::ModelTypeWorker::GetContribution()
#5 0x7f19068b2929 syncer::CommitProcessor::GatherCommitContributions()
#6 0x7f19068b1719 syncer::Commit::Init()
#7 0x7f190689290a syncer::Syncer::BuildAndPostCommits()
#8 0x7f1906892558 syncer::Syncer::NormalSyncShare()
#9 0x7f190688eb94 syncer::SyncSchedulerImpl::DoNudgeSyncCycleJob()
#10 0x7f1906890871 syncer::SyncSchedulerImpl::TrySyncCycleJobImpl()
#11 0x7f1904dd47ea _ZN4base8internal13FunctorTraitsIMN11google_apis19UrlFetchRequestBaseEFvvEvE6InvokeIRKNS_7WeakPtrINS2_5drive30SingleBatchableDelegateRequestEEEJEEEvS5_OT_DpOT0_
#12 0x7f190425d1be base::debug::TaskAnnotator::RunTask()
#13 0x7f190428d79d base::MessageLoop::RunTask()
#14 0x7f190428e136 base::MessageLoop::DoWork()
#15 0x7f190428fb49 base::MessagePumpDefault::Run()
#16 0x7f190428d4f3 base::MessageLoop::RunHandler()
#17 0x7f19042c1ecc base::RunLoop::Run()
#18 0x7f19042fe2bc base::Thread::Run()
#19 0x7f19042fe7b8 base::Thread::ThreadMain()
#20 0x7f19042f611c base::(anonymous namespace)::ThreadFunc()
#21 0x7f19043d4184 start_thread
#22 0x7f18fa89237d clone