Program received signal SIGSEGV, Segmentation fault.
0x0000000004d7ca36 in views::AXAuraObjCache::GetFocus() ()
(gdb) bt
#0  0x0000000004d7ca36 in views::AXAuraObjCache::GetFocus() ()
#1  0x0000000001d4f388 in AXTreeSourceAura::GetTreeData() const ()
#2  0x0000000001d4d71f in ui::AXTreeSerializer<views::AXAuraObjWrapper*, ui::AXNodeData, ui::AXTreeData>::SerializeChanges(views::AXAuraObjWrapper*, ui::AXTreeUpdateBase<ui::AXNodeData, ui::AXTreeData>*) ()
#3  0x0000000001d4cf46 in AutomationManagerAura::SendEvent(content::BrowserContext*, views::AXAuraObjWrapper*, ui::AXEvent) ()
#4  0x0000000001d4d2e3 in AutomationManagerAura::HandleEvent(content::BrowserContext*, views::View*, ui::AXEvent) ()
#5  0x0000000001ab5172 in views::View::SetVisible(bool) ()
#6  0x0000000004d6be8a in views::InkDropAnimationControllerImpl::~InkDropAnimationControllerImpl() ()
#7  0x0000000004d6bf29 in views::InkDropAnimationControllerImpl::~InkDropAnimationControllerImpl() ()
#8  0x0000000004d6baae in views::ButtonInkDropDelegate::~ButtonInkDropDelegate() ()
#9  0x0000000001bacb1f in ToolbarButton::~ToolbarButton() ()
#10 0x0000000001bacc09 in ToolbarButton::~ToolbarButton() ()
#11 0x0000000001ab36f3 in views::View::~View() ()
#12 0x0000000001badb59 in ToolbarView::~ToolbarView() ()
#13 0x0000000001ab36f3 in views::View::~View() ()
#14 0x0000000001603499 in TitleCard::~TitleCard() ()
#15 0x0000000001ab43c5 in views::View::RemoveAllChildViews(bool) ()
#16 0x0000000001b698b7 in BrowserView::~BrowserView() ()
#17 0x0000000001b69bd0 in non-virtual thunk to BrowserView::~BrowserView() ()
#18 0x0000000001ab36f3 in views::View::~View() ()
#19 0x0000000001ac35c7 in views::NonClientView::~NonClientView() ()
#20 0x0000000001ac3659 in views::NonClientView::~NonClientView() ()
#21 0x0000000001ab43c5 in views::View::RemoveAllChildViews(bool) ()
#22 0x0000000001aee7e2 in views::internal::RootView::~RootView() ()
#23 0x0000000001ae2389 in views::internal::RootView::~RootView() ()
#24 0x0000000001aba57b in views::Widget::~Widget() ()
#25 0x0000000001b68069 in BrowserFrame::~BrowserFrame() ()
#26 0x0000000001af4c0b in views::DesktopNativeWidgetAura::~DesktopNativeWidgetAura() ()
#27 0x0000000001d68fd6 in DesktopBrowserFrameAuraLinux::~DesktopBrowserFrameAuraLinux() ()
#28 0x0000000001acab20 in views::DesktopWindowTreeHostX11::CloseNow() ()
#29 0x000000000072928c in base::internal::Invoker<base::IndexSequence<0ul>, base::internal::BindState<base::internal::RunnableAdapter<void (base::RunLoop::*)()>, void (base::RunLoop*), base::WeakPtr<base::RunLoop> >, base::internal::InvokeHelper<true, void, base::internal::RunnableAdapter<void (base::RunLoop::*)()> >, void ()>::Run(base::internal::BindStateBase*) ()
#30 0x000000000169435c in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) ()
#31 0x0000000001643d4b in base::MessageLoop::RunTask(base::PendingTask const&) ()
#32 0x0000000001644038 in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) ()
#33 0x00000000016441eb in base::MessageLoop::DoWork() ()
#34 0x0000000001692af9 in base::MessagePumpGlib::Run(base::MessagePump::Delegate*) ()
#35 0x00000000016586c0 in base::RunLoop::Run() ()
#36 0x000000000490022c in content::RunThisRunLoop(base::RunLoop*) ()
#37 0x00000000049001ca in content::RunMessageLoop() ()
#38 0x000000000161ea81 in InProcessBrowserTest::QuitBrowsers() ()
#39 0x000000000161e7fd in InProcessBrowserTest::RunTestOnMainThreadLoop() ()
#40 0x00000000016bd5ca in content::BrowserTestBase::ProxyRunTestOnMainThreadLoop() ()
#41 0x000000000151a364 in ChromeBrowserMainParts::PreMainMessageLoopRunImpl() ()
#42 0x0000000001518f9c in ChromeBrowserMainParts::PreMainMessageLoopRun() ()
#43 0x0000000003a13d8c in content::BrowserMainLoop::PreMainMessageLoopRun() ()
#44 0x0000000003b3f077 in content::StartupTaskRunner::RunAllTasksNow() ()
#45 0x0000000003a12230 in content::BrowserMainLoop::CreateStartupTasks() ()
#46 0x0000000003c032ea in content::BrowserMainRunnerImpl::Initialize(content::MainFunctionParams const&) ()
#47 0x0000000005503006 in content::BrowserMain(content::MainFunctionParams const&) ()
#48 0x00000000048e4a52 in content::ContentMainRunnerImpl::Run() ()
#49 0x00000000048e37d0 in content::ContentMain(content::ContentMainParams const&) ()
#50 0x00000000016bd113 in content::BrowserTestBase::SetUp() ()
#51 0x000000000161ce86 in InProcessBrowserTest::SetUp() ()
#52 0x000000000194b158 in testing::Test::Run() ()
#53 0x000000000194c0ea in testing::TestInfo::Run() ()
#54 0x000000000194c573 in testing::TestCase::Run() ()
#55 0x0000000001953709 in testing::internal::UnitTestImpl::RunAllTests() ()
#56 0x00000000019533ae in testing::UnitTest::Run() ()
#57 0x00000000016a3a71 in base::TestSuite::Run() ()
#58 0x0000000001070249 in ChromeBrowserTestSuiteRunner::RunTestSuite(int, char**) ()
#59 0x00000000048fd2a1 in content::LaunchTests(content::TestLauncherDelegate*, int, int, char**) ()
#60 0x000000000160539a in LaunchChromeTests(int, ChromeTestSuiteRunner*, int, char**) ()
#61 0x0000000001070219 in main ()