Below context lost test started flaking on mac recently

ContextLostIntegrationTest.GpuCrash_GPUProcessCrashesExactlyOncePerVisitToAboutGpuCrash

There seems to be a check failing in compositor.cc
please take a look.

Assignning it to flackr@ since danakj@ is out of office. Feel free to assign to correct owner. 


Adding some link to logs.

most recent log - https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20Release%20%28Intel%29/96596

log when test first failed
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20Release%20%28Intel%29/96517


snapshot of stack trace :

FATAL:compositor.cc(605)] Check failed: false. 
0   Chromium Framework                  0x000000011de777dc base::debug::StackTrace::StackTrace(unsigned long) + 28
1   Chromium Framework                  0x000000011dd7baef logging::LogMessage::~LogMessage() + 223
2   Chromium Framework                  0x000000012046c32c ui::Compositor::DidFailToInitializeLayerTreeFrameSink() + 76
3   Chromium Framework                  0x000000011f84325f cc::LayerTreeHost::DidFailToInitializeLayerTreeFrameSink() + 159
4   Chromium Framework                  0x000000011f8a9910 cc::SingleThreadProxy::SetLayerTreeFrameSink(cc::LayerTreeFrameSink*) + 576
5   Chromium Framework                  0x000000011f842de3 cc::LayerTreeHost::SetLayerTreeFrameSink(std::__1::unique_ptr<cc::LayerTreeFrameSink, std::__1::default_delete<cc::LayerTreeFrameSink> >) + 195
6   Chromium Framework                  0x000000012046a2d3 ui::Compositor::SetLayerTreeFrameSink(std::__1::unique_ptr<cc::LayerTreeFrameSink, std::__1::default_delete<cc::LayerTreeFrameSink> >) + 51
7   Chromium Framework                  0x000000011bc9277b ui::HostContextFactoryPrivate::ConfigureCompositor(base::WeakPtr<ui::Compositor>, scoped_refptr<viz::ContextProvider>, scoped_refptr<viz::RasterContextProvider>) + 1515