ChromeOS: M53-8530.84.0/53.0.2785.112

Please specify Cr-* of the system to which this bug/feature applies (add
the label below).

Steps To Reproduce:
(1)Close ARC install/update notifications 
(2)
(3)

Expected Result:

Actual Result:
Seen Browser crash.

How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)
Hard to reproduce.

What is the impact to the user, and is there a workaround? If so, what is
it?

Please provide any additional information below. Attach a screen shot or
log if possible.


Crash report:https://crash.corp.google.com/browse?stbtiq=95cbdf7500000000#0

Thread 0 CRASHED [SIGSEGV @ 0x00000000 ] MAGIC SIGNATURE THREAD
0x00007fcd0c8d8ea7	(chrome -widget.cc:1015 )	views::Widget::CanActivate
0x00007fcd0d081790	(chrome -arc_custom_notification_view.cc:235 )	arc::ArcCustomNotificationView::UpdateCloseButtonVisiblity
0x00007fcd0d0821fd	(chrome -arc_custom_notification_view.cc:318 )	arc::ArcCustomNotificationView::Layout
0x00007fcd0c8d35c0	(chrome -view.cc:286 )	views::View::SetBoundsRect
0x00007fcd0c930e40	(chrome -custom_notification_view.cc:63 )	message_center::CustomNotificationView::Layout
0x00007fcd0c8d35c0	(chrome -view.cc:286 )	views::View::SetBoundsRect
0x00007fcd0c8d360b	(chrome -view.cc:279 )	views::View::SetBounds
0x00007fcd0c924c49	(chrome -message_list_view.cc:75 )	message_center::MessageListView::Layout
0x00007fcd0c8d35c0	(chrome -view.cc:286 )	views::View::SetBoundsRect
0x00007fcd0c8c9d0d	(chrome -fill_layout.cc:20 )	views::FillLayout::Layout
0x00007fcd0c8d4a21	(chrome -view.cc:526 )	views::View::Layout
0x00007fcd0c8d4ae7	(chrome -view.cc:539 )	views::View::Layout
0x00007fcd0c8d35c0	(chrome -view.cc:286 )	views::View::SetBoundsRect
0x00007fcd0c8ae162	(chrome -scroll_view.cc:268 )	views::ScrollView::Layout
0x00007fcd0c8d35c0	(chrome -view.cc:286 )	views::View::SetBoundsRect
0x00007fcd0c8d360b	(chrome -view.cc:279 )	views::View::SetBounds
0x00007fcd0c922649	(chrome -message_center_view.cc:225 )	message_center::MessageCenterView::Layout
0x00007fcd0d766136	(chrome -event_dispatcher.cc:191 )	ui::EventDispatcher::DispatchEvent
0x00007fcd0d766520	(chrome -event_dispatcher.cc:139 )	ui::EventDispatcher::ProcessEvent
0x00007fcd0d766606	(chrome -event_dispatcher.cc:86 )	ui::EventDispatcherDelegate::DispatchEventToTarget
0x00007fcd0d766708	(chrome -event_dispatcher.cc:58 )	ui::EventDispatcherDelegate::DispatchEvent
0x00007fcd0c8d846a	(chrome -root_view.cc:700 )	views::internal::RootView::NotifyEnterExitOfDescendant
0x00007fcd0c8d856a	(chrome -root_view.cc:574 )	views::internal::RootView::OnMouseExited
0x00007fcd0c8dc8ed	(chrome -widget.cc:1231 )	views::Widget::OnMouseEvent
0x00007fcd0d766136	(chrome -event_dispatcher.cc:191 )	ui::EventDispatcher::DispatchEvent
0x00007fcd0d766520	(chrome -event_dispatcher.cc:139 )	ui::EventDispatcher::ProcessEvent
0x00007fcd0d766606	(chrome -event_dispatcher.cc:86 )	ui::EventDispatcherDelegate::DispatchEventToTarget
0x00007fcd0d766708	(chrome -event_dispatcher.cc:58 )	ui::EventDispatcherDelegate::DispatchEvent
0x00007fcd0bd61aac	(chrome -window_event_dispatcher.cc:274 )	aura::WindowEventDispatcher::DispatchMouseEnterOrExit
0x00007fcd0bd62a19	(chrome -window_event_dispatcher.cc:795 )	aura::WindowEventDispatcher::PreDispatchMouseEvent
0x00007fcd0bd62cf5	(chrome -window_event_dispatcher.cc:458 )	aura::WindowEventDispatcher::PreDispatchEvent
0x00007fcd0d7666e0	(chrome -event_dispatcher.cc:54 )	ui::EventDispatcherDelegate::DispatchEvent
0x00007fcd0d766d06	(chrome -event_processor.cc:35 )	ui::EventProcessor::OnEventFromSource
0x00007fcd0d7670a2	(chrome -event_source.cc:73 )	ui::EventSource::DeliverEventToProcessor
0x00007fcd0d7672dd	(chrome -event_source.cc:51 )	ui::EventSource::SendEventToProcessor
0x00007fcd0c0eaabe	(chrome -ash_window_tree_host_platform.cc:110 )	ash::AshWindowTreeHostPlatform::DispatchEvent
0x00007fcd0d7696bf	(chrome -callback.h:389 )	ui::DispatchEventFromNativeUiEvent
0x00007fcd0a8f8795	(chrome -drm_window_host.cc:185 )	ui::DrmWindowHost::DispatchEvent
0x00007fcd0a570a3c	(chrome -platform_event_source.cc:83 )	ui::PlatformEventSource::DispatchEvent
0x00007fcd0d77a51e	(chrome -event_factory_evdev.cc:318 )	ui::EventFactoryEvdev::DispatchMouseMoveEvent
0x00007fcd096030ac	(chrome -callback.h:389 )	base::debug::TaskAnnotator::RunTask
0x00007fcd095f0515	(chrome -message_loop.cc:493 )	base::MessageLoop::DoWork
0x00007fcd095e9f51	(chrome -message_pump_libevent.cc:217 )	base::MessagePumpLibevent::Run
0x00007fcd09e59497	(chrome -run_loop.cc:35 )	base::RunLoop::Run
0x00007fcd0d5b6184	(chrome -chrome_browser_main.cc:1943 )	ChromeBrowserMainParts::MainMessageLoopRun
0x00007fcd0c375c3a	(chrome -browser_main_loop.cc:942 )	content::BrowserMainLoop::RunMainMessageLoopParts
0x00007fcd0c1adaf4	(chrome -browser_main_runner.cc:155 )	content::BrowserMainRunnerImpl::Run
0x00007fcd0c1ad9d2	(chrome -browser_main.cc:46 )	content::BrowserMain
0x00007fcd09e062c0	(chrome -content_main_runner.cc:785 )	content::ContentMainRunnerImpl::Run
0x00007fcd09e04d9a	(chrome -content_main.cc:20 )	content::ContentMain
0x00007fcd09a940de	(chrome -chrome_main.cc:84 )	ChromeMain
0x00007fcd06ed4fb5	(libc-2.19.so -libc-start.c:292 )	__libc_start_main
0x00007fcd09a93f2b	(chrome + 0x01169f2b )	_start