crash log for renderer (pid <unknown>):
STDOUT: layer at (0,0) size 800x600
STDOUT:   LayoutView at (0,0) size 800x600
STDOUT: layer at (0,0) size 800x8
STDOUT:   LayoutBlockFlow {HTML} at (0,0) size 800x8
STDOUT:     LayoutBlockFlow {BODY} at (8,8) size 784x0
STDOUT:       LayoutBlockFlow {DIV} at (0,0) size 784x0
STDOUT:         LayoutBlockFlow {DIV} at (0,0) size 784x0
STDOUT:         LayoutBlockFlow {DIV} at (0,0) size 784x0
STDERR: [1:1:0330/151342.873119:8183948079:FATAL:CanvasSurfaceLayerBridge.cpp(47)] Check failed: m_bridge. 
STDERR: #0 0x000001a5e887 base::debug::StackTrace::StackTrace()
STDERR: #1 0x000001a75acb logging::LogMessage::~LogMessage()
STDERR: #2 0x000004af0f96 blink::(anonymous namespace)::OffscreenCanvasSurfaceReferenceFactory::SatisfySequence()
STDERR: #3 0x0000015603aa _ZN4base8internal7InvokerINS0_9BindStateIMN7content18IndexedDBCallbacksEFvRKNS3_22IndexedDBDatabaseErrorEEJ13scoped_refptrIS4_ES5_EEEFvvEE3RunEPNS0_13BindStateBaseE
STDERR: #4 0x00000051c711 _ZNO4base8CallbackIFvvELNS_8internal8CopyModeE1ELNS2_10RepeatModeE1EE3RunEv
STDERR: #5 0x000001afc373 base::debug::TaskAnnotator::RunTask()
STDERR: #6 0x000002a751b2 blink::scheduler::TaskQueueManager::ProcessTaskFromWorkQueue()
STDERR: #7 0x000002a72c1e blink::scheduler::TaskQueueManager::DoWork()
STDERR: #8 0x0000013a1e77 _ZN4base8internal7InvokerINS0_9BindStateIMN7content17AppCacheUpdateJobEFvbEJNS_7WeakPtrIS4_EEbEEEFvvEE3RunEPNS0_13BindStateBaseE
STDERR: #9 0x00000051c711 _ZNO4base8CallbackIFvvELNS_8internal8CopyModeE1ELNS2_10RepeatModeE1EE3RunEv
STDERR: #10 0x000001afc373 base::debug::TaskAnnotator::RunTask()
STDERR: #11 0x000001a7c85d base::MessageLoop::RunTask()
STDERR: #12 0x000001a7cb08 base::MessageLoop::DeferOrRunPendingTask()
STDERR: #13 0x000001a7cfb6 base::MessageLoop::DoWork()
STDERR: #14 0x000001a7e979 base::MessagePumpDefault::Run()
STDERR: #15 0x000001a7c5be base::MessageLoop::RunHandler()
STDERR: #16 0x000001a9db8c base::RunLoop::Run()
STDERR: #17 0x00000404219f content::RendererMain()
STDERR: #18 0x00000131028a content::RunZygote()
STDERR: #19 0x000001310834 content::RunNamedProcessTypeMain()
STDERR: #20 0x000001311446 content::ContentMainRunnerImpl::Run()
STDERR: #21 0x0000028c163f service_manager::Main()
STDERR: #22 0x0000007cc502 content::ContentMain()
STDERR: #23 0x00000043ff91 main
STDERR: #24 0x7f0cd3593f45 __libc_start_main
STDERR: #25 0x00000043fe6d <unknown>
STDERR: 
