What steps will reproduce the problem?
(1) Use Cinnamon desktop environment and Muffin window manager
(2) Drag a tab
(3) Release the cursor over the Cinnamon taskbar

What is the expected result?
No DHCECK

What happens instead?

#0 0x7ff7aa2d11fb base::debug::StackTrace::StackTrace()
#1 0x7ff7aa2cfefc base::debug::StackTrace::StackTrace()
#2 0x7ff7aa343ac3 logging::LogMessage::~LogMessage()
#3 0x7ff79e478314 views::ChangeActivePointerGrabCursor()
#4 0x7ff79e47ab4f views::X11WholeScreenMoveLoop::UpdateCursor()
#5 0x7ff79e47ac0e views::X11WholeScreenMoveLoop::EndMoveLoop()
#6 0x7ff79e477f29 views::X11DesktopWindowMoveClient::EndMoveLoop()
#7 0x7ff79e477db6 views::X11DesktopWindowMoveClient::OnMouseReleased()
#8 0x7ff79e47a149 views::X11WholeScreenMoveLoop::DispatchEvent()
#9 0x7ff7a702d047 ui::PlatformEventSource::DispatchEvent()
#10 0x7ff790322bf4 ui::X11EventSourceGlib::ProcessXEvent()
#11 0x7ff7903143f8 ui::X11EventSource::ExtractCookieDataDispatchEvent()
#12 0x7ff790314360 ui::X11EventSource::DispatchXEvents()
#13 0x7ff790322d95 ui::(anonymous namespace)::XSourceDispatch()
#14 0x7ff7931ecce5 g_main_context_dispatch
#15 0x7ff7931ed048 <unknown>
#16 0x7ff7931ed0ec g_main_context_iteration
#17 0x7ff7aa380a0f base::MessagePumpGlib::Run()
#18 0x7ff7aa36d368 base::MessageLoop::Run()
#19 0x7ff7aa416d7d base::RunLoop::Run()
#20 0x7ff79e47a60b views::X11WholeScreenMoveLoop::RunMoveLoop()
#21 0x7ff79e477e82 views::X11DesktopWindowMoveClient::RunMoveLoop()
#22 0x7ff79e45c87b views::DesktopWindowTreeHostX11::RunMoveLoop()
#23 0x7ff79e432a33 views::DesktopNativeWidgetAura::RunMoveLoop()
#24 0x7ff79e3e6052 views::Widget::RunMoveLoop()
#25 0x559b66c4d635 TabDragController::RunMoveLoop()
#26 0x559b66c4ba2d TabDragController::Drag()
#27 0x559b66966f51 TabStrip::ContinueDrag()
#28 0x559b6695a36f Tab::OnMouseDragged()
#29 0x7ff79e3c1cb8 views::View::ProcessMouseDragged()
#30 0x7ff79e3c159c views::View::OnMouseEvent()
#31 0x7ff79fc14e73 ui::EventHandler::OnEvent()
#32 0x7ff79fc10610 ui::EventDispatcher::DispatchEvent()
#33 0x7ff79fc0fefb ui::EventDispatcher::ProcessEvent()
#34 0x7ff79fc0fc92 ui::EventDispatcherDelegate::DispatchEventToTarget()
#35 0x7ff79fc0fb3f ui::EventDispatcherDelegate::DispatchEvent()
#36 0x7ff79e3e05c3 views::internal::RootView::OnMouseDragged()
#37 0x7ff79e3e8c20 views::Widget::OnMouseEvent()
#38 0x7ff79e433469 views::DesktopNativeWidgetAura::OnMouseEvent()
#39 0x7ff79fc14e73 ui::EventHandler::OnEvent()
#40 0x7ff79fc10610 ui::EventDispatcher::DispatchEvent()
#41 0x7ff79fc0fefb ui::EventDispatcher::ProcessEvent()
#42 0x7ff79fc0fc92 ui::EventDispatcherDelegate::DispatchEventToTarget()
#43 0x7ff79fc0fb3f ui::EventDispatcherDelegate::DispatchEvent()
#44 0x7ff79fc15cd5 ui::EventProcessor::OnEventFromSource()
#45 0x7ff79fc15e5c ui::EventProcessor::OnEventFromSource()
#46 0x7ff79fc16e3f ui::EventSource::DeliverEventToSink()
#47 0x7ff79fc16a47 ui::EventSource::SendEventToSink()
#48 0x7ff79e45eb35 views::DesktopWindowTreeHostX11::DispatchMouseEvent()
#49 0x7ff79e45fc4f views::DesktopWindowTreeHostX11::DispatchEvent()
#50 0x7ff7a702d10d ui::PlatformEventSource::DispatchEvent()
#51 0x7ff790322bf4 ui::X11EventSourceGlib::ProcessXEvent()
#52 0x7ff7903143f8 ui::X11EventSource::ExtractCookieDataDispatchEvent()
#53 0x7ff790314360 ui::X11EventSource::DispatchXEvents()
#54 0x7ff790322d95 ui::(anonymous namespace)::XSourceDispatch()
#55 0x7ff7931ecce5 g_main_context_dispatch
#56 0x7ff7931ed048 <unknown>
#57 0x7ff7931ed0ec g_main_context_iteration
#58 0x7ff7aa380a0f base::MessagePumpGlib::Run()
#59 0x7ff7aa36d368 base::MessageLoop::Run()
#60 0x7ff7aa416d7d base::RunLoop::Run()
#61 0x559b6471399e ChromeBrowserMainParts::MainMessageLoopRun()