Chrome Version: 70.0.3533.0 (Developer Build) (64-bit)
OS: Linux

Steps:
1) Open up chrome with --disable-gpu (not sure if required).
2) Watch video piped. 
3) Close piped video while playing.
4) Select a new video to watch.

What should happen:
Next video plays.

What happens:
Crashes when you try to play the next video.

W[38145:38145:0824/151113.697053:FATAL:picture_in_picture_window_controller_impl.cc(167)] Check failed: media_player_id_.has_value(). 
#0 0x7fdb2ca5590d base::debug::StackTrace::StackTrace()
#1 0x7fdb2c75bb1c base::debug::StackTrace::StackTrace()
#2 0x7fdb2c7cb5aa logging::LogMessage::~LogMessage()
#3 0x7fdb2661ce24 content::PictureInPictureWindowControllerImpl::UpdatePlaybackState()
#4 0x7fdb2653f4b7 content::MediaWebContentsObserver::OnMediaPaused()
#5 0x7fdb26543b6c _ZN3IPC20DispatchToMethodImplIN7content24MediaWebContentsObserverEMS2_FvPNS1_15RenderFrameHostEibES3_NSt3__15tupleIJibEEEJLm0ELm1EEEEvPT_T0_PT1_OT2_NS7_16integer_sequenceImJXspT3_EEEE
#6 0x7fdb26543a70 _ZN3IPC16DispatchToMethodIN7content24MediaWebContentsObserverENS1_15RenderFrameHostEJibENSt3__15tupleIJibEEEEENS4_9enable_ifIXeqsZT1_sr3std10tuple_sizeINS4_5decayIT2_E4typeEEE5valueEvE4typeEPT_MSE_FvPT0_DpT1_ESH_OS9_
#7 0x7fdb2654194d _ZN3IPC8MessageTI45MediaPlayerDelegateHostMsg_OnMediaPaused_MetaNSt3__15tupleIJibEEEvE8DispatchIN7content24MediaWebContentsObserverES8_NS7_15RenderFrameHostEMS8_FvPS9_ibEEEbPKNS_7MessageEPT_PT0_PT1_T2_
#8 0x7fdb2653f085 content::MediaWebContentsObserver::OnMessageReceived()
#9 0x7fdb26b24153 content::WebContentsImpl::OnMessageReceived()
#10 0x7fdb261cdd5c content::RenderFrameHostImpl::OnMessageReceived()
#11 0x7fdb267c0123 content::RenderProcessHostImpl::OnMessageReceived()
#12 0x7fdb2926d645 IPC::ChannelProxy::Context::OnDispatchMessage()
#13 0x7fdb2927378f _ZN4base8internal13FunctorTraitsIMN3IPC12ChannelProxy7ContextEFvRKNS2_7MessageEEvE6InvokeIS9_RK13scoped_refptrIS4_EJS7_EEEvT_OT0_DpOT1_
#14 0x7fdb292736ef _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN3IPC12ChannelProxy7ContextEFvRKNS4_7MessageEEJRK13scoped_refptrIS6_ES9_EEEvOT_DpOT0_
#15 0x7fdb2927367d _ZN4base8internal7InvokerINS0_9BindStateIMN3IPC12ChannelProxy7ContextEFvRKNS3_7MessageEEJ13scoped_refptrIS5_ES6_EEEFvvEE7RunImplIRKSA_RKNSt3__15tupleIJSC_S6_EEEJLm0ELm1EEEEvOT_OT0_NSJ_16integer_sequenceImJXspT1_EEEE
#16 0x7fdb2927357c _ZN4base8internal7InvokerINS0_9BindStateIMN3IPC12ChannelProxy7ContextEFvRKNS3_7MessageEEJ13scoped_refptrIS5_ES6_EEEFvvEE3RunEPNS0_13BindStateBaseE
#17 0x7fdb2c70a3fe _ZNO4base12OnceCallbackIFvvEE3RunEv
#18 0x7fdb2c75cfe2 base::debug::TaskAnnotator::RunTask()
#19 0x7fdb2c7ef006 base::MessageLoop::RunTask()
#20 0x7fdb2c7ef38e base::MessageLoop::DeferOrRunPendingTask()
#21 0x7fdb2c7ef819 base::MessageLoop::DoWork()
#22 0x7fdb2c7f6c26 base::MessagePumpGlib::Run()
#23 0x7fdb2c7ee6fb base::MessageLoop::Run()
#24 0x7fdb2c898f3d base::RunLoop::Run()
#25 0x5604f37b1cd3 ChromeBrowserMainParts::MainMessageLoopRun()
#26 0x7fdb25cba9d1 content::BrowserMainLoop::RunMainMessageLoopParts()
#27 0x7fdb25cc2aa0 content::BrowserMainRunnerImpl::Run()
#28 0x7fdb25cadb10 content::BrowserMain()
#29 0x7fdb27c22044 content::RunBrowserProcessMain()
#30 0x7fdb27c2490f content::ContentMainRunnerImpl::Run()
#31 0x7fdb27c1982c content::ContentServiceManagerMainDelegate::RunEmbedderProcess()
#32 0x7fdb2ccf680a service_manager::Main()
#33 0x7fdb27c1fa83 content::ContentMain()
#34 0x5604f191b246 ChromeMain
#35 0x5604f191b152 main
#36 0x7fdb030782b1 __libc_start_main
#37 0x5604f191b02a _start