Looks like shapedetection/detection-HTMLCanvasElement.html is flakily crashing on all platforms. I'm guessing it started when https://codereview.chromium.org/2765723002 landed.
crash log for renderer (pid <unknown>):
STDOUT: #CRASHED - renderer
STDERR: [11864:11934:0403/000343.911594:1307112694:WARNING:url_request_job_manager.cc(90)] Failed to map: layout-test-mojom://content/shell/renderer/layout_test/frame_interface_registry
STDERR: [11864:11934:0403/000343.911710:1307112808:WARNING:url_request_job_manager.cc(90)] Failed to map: layout-test-mojom://content/shell/renderer/layout_test/interface_registry
STDERR: [1:1:0403/000343.917112:1307118354:ERROR:mojo_context_state.cc(209)] Failed to fetch source for module "content/shell/renderer/layout_test/frame_interface_registry"
STDERR: [1:1:0403/000343.917326:1307118466:ERROR:mojo_context_state.cc(209)] Failed to fetch source for module "content/shell/renderer/layout_test/interface_registry"
STDERR: [1:1:0403/000344.157484:1307358657:FATAL:waiting_callback.cc(82)] Check failed: gin::ConvertFromV8(isolate, hidden_value, &callback).
STDERR: #0 0x00000155cdc7 base::debug::StackTrace::StackTrace()
STDERR: #1 0x00000156e74b logging::LogMessage::~LogMessage()
STDERR: #2 0x00000331edbc mojo::edk::js::WaitingCallback::OnHandleReady()
STDERR: #3 0x00000171192a mojo::SimpleWatcher::OnHandleReady()
STDERR: #4 0x0000015d3540 base::debug::TaskAnnotator::RunTask()
STDERR: #5 0x000002212788 blink::scheduler::TaskQueueManager::ProcessTaskFromWorkQueue()
STDERR: #6 0x000002210cc8 blink::scheduler::TaskQueueManager::DoWork()
STDERR: #7 0x0000015d3540 base::debug::TaskAnnotator::RunTask()
STDERR: #8 0x00000157354d base::MessageLoop::RunTask()
STDERR: #9 0x000001573868 base::MessageLoop::DeferOrRunPendingTask()
STDERR: #10 0x000001573d96 base::MessageLoop::DoWork()
STDERR: #11 0x000001574d3a base::MessagePumpDefault::Run()
STDERR: #12 0x000001573277 base::MessageLoop::RunHandler()
STDERR: #13 0x00000158c6ce base::RunLoop::Run()
STDERR: #14 0x0000031d0550 content::RendererMain()
STDERR: #15 0x000001022d5a content::RunZygote()
STDERR: #16 0x000001023acc content::ContentMainRunnerImpl::Run()
STDERR: #17 0x0000020ac65f service_manager::Main()
STDERR: #18 0x0000007003a2 content::ContentMain()
STDERR: #19 0x00000043d421 main
STDERR: #20 0x7fa4143e7ec5 __libc_start_main
STDERR: #21 0x00000043d2fd <unknown>
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=webkit_tests&tests=shapedetection%2Fdetection-HTMLCanvasElement.html
Going to disable this test for now...
Comment 1 by timloh@chromium.org
, Apr 3 2017