Seen in MediaRouterIntegrationBrowserTest.Dialog_Basic on Mac trybots. Example: https://ci.chromium.org/buildbot/tryserver.chromium.mac/mac_chromium_rel_ng/677194
[79061:41219:0321/181442.190819:FATAL:client_layer_tree_frame_sink.cc(132)] Check failed: local_surface_id_ != last_submitted_local_surface_id_ || (last_submitted_device_scale_factor_ == frame.device_scale_factor() && last_submitted_size_in_pixels_ == frame.size_in_pixels()).
0 Chromium Framework 0x0000000115454c2c base::debug::StackTrace::StackTrace(unsigned long) + 28
1 Chromium Framework 0x0000000115479bcf logging::LogMessage::~LogMessage() + 223
2 Chromium Framework 0x0000000117f8d77b viz::ClientLayerTreeFrameSink::SubmitCompositorFrame(viz::CompositorFrame) + 667
3 Chromium Framework 0x00000001169051ec cc::LayerTreeHostImpl::DrawLayers(cc::LayerTreeHostImpl::FrameData*) + 3244
4 Chromium Framework 0x0000000116947a7e cc::ProxyImpl::DrawInternal(bool) + 366
5 Chromium Framework 0x000000011694783d cc::ProxyImpl::ScheduledActionDrawIfPossible() + 221
6 Chromium Framework 0x00000001168976cd cc::Scheduler::DrawIfPossible() + 189
7 Chromium Framework 0x0000000116893f77 cc::Scheduler::ProcessScheduledActions() + 631
8 Chromium Framework 0x0000000116893b79 cc::Scheduler::OnBeginImplFrameDeadline() + 201
9 Chromium Framework 0x0000000116897e67 base::internal::Invoker<base::internal::BindState<void (cc::Scheduler::*)(), base::WeakPtr<cc::Scheduler> >, void ()>::Run(base::internal::BindStateBase*) + 183
10 Chromium Framework 0x000000011277992f void base::internal::CancelableCallbackImpl<base::RepeatingCallback<void ()> >::ForwardRepeating<>() + 95
11 Chromium Framework 0x0000000112779a97 base::internal::Invoker<base::internal::BindState<void (base::internal::CancelableCallbackImpl<base::RepeatingCallback<void ()> >::*)(), base::WeakPtr<base::internal::CancelableCallbackImpl<base::RepeatingCallback<void ()> > > >, void ()>::Run(base::internal::BindStateBase*) + 183
12 Chromium Framework 0x00000001154555a4 base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 260
13 Chromium Framework 0x0000000114c456f6 blink::scheduler::internal::ThreadControllerImpl::DoWork(blink::scheduler::internal::SequencedTaskSource::WorkType) + 918
14 Chromium Framework 0x0000000114c4733b base::internal::Invoker<base::internal::BindState<void (blink::scheduler::internal::ThreadControllerImpl::*)(blink::scheduler::internal::SequencedTaskSource::WorkType), base::WeakPtr<blink::scheduler::internal::ThreadControllerImpl>, blink::scheduler::internal::SequencedTaskSource::WorkType>, void ()>::Run(base::internal::BindStateBase*) + 187
15 Chromium Framework 0x00000001154555a4 base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 260
16 Chromium Framework 0x00000001154903c9 base::internal::IncomingTaskQueue::RunTask(base::PendingTask*) + 121
17 Chromium Framework 0x0000000115494bc7 base::MessageLoop::RunTask(base::PendingTask*) + 599
18 Chromium Framework 0x0000000115494f8a base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) + 186
19 Chromium Framework 0x00000001154951fc base::MessageLoop::DoWork() + 572
20 Chromium Framework 0x0000000115496778 base::MessagePumpDefault::Run(base::MessagePump::Delegate*) + 216
21 Chromium Framework 0x00000001154944e9 base::MessageLoop::Run(bool) + 169
22 Chromium Framework 0x00000001154d2249 base::RunLoop::Run() + 249
23 Chromium Framework 0x000000011551f89e base::Thread::Run(base::RunLoop*) + 206
24 Chromium Framework 0x000000011551fe5c base::Thread::ThreadMain() + 908
25 Chromium Framework 0x000000011551ab2f base::(anonymous namespace)::ThreadFunc(void*) + 95
26 libsystem_pthread.dylib 0x00007fff615e66c1 _pthread_body + 340
27 libsystem_pthread.dylib 0x00007fff615e656d _pthread_body + 0
28 libsystem_pthread.dylib 0x00007fff615e5c5d thread_start + 13
Comment 1 by fsam...@chromium.org
, Mar 22 2018