It's failing at checking cert existence. We need to propagate the url loader options to MojoAsyncResourceHandler correctly.

-- stack trace --

BrowserTestBase received signal: Segmentation fault. Backtrace:
#0 0x7ff3bc0d803c base::debug::StackTrace::StackTrace()                        
#1 0x000000d02c35 content::(anonymous namespace)::DumpStackTraceSignalHandler()
#2 0x7ff3b1879030 <unknown>                              
#3 0x7ff3bba99537 net::X509Certificate::EqualsExcludingChain()                                                                                                                                               
#4 0x00000091fc5c content::ServiceWorkerBrowserTest_ResponseFromHTTPSServiceWorkerIsMarkedAsSecure_Test::RunTestOnMainThread()
#5 0x000000d0294e content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#6 0x000000d9a346 content::ShellBrowserMainParts::PreMainMessageLoopRun()
#7 0x7ff3b9d62f21 content::BrowserMainLoop::PreMainMessageLoopRun()
#8 0x7ff3ba258355 content::StartupTaskRunner::RunAllTasksNow()
#9 0x7ff3b9d6162c content::BrowserMainLoop::CreateStartupTasks()
#10 0x7ff3b9d65d45 content::BrowserMainRunnerImpl::Initialize()
#11 0x7ff3b9d65ca7 content::BrowserMainRunnerImpl::Initialize() 
#12 0x000000d99b2d ShellBrowserMain()                    
#13 0x000000d4f57d content::ShellMainDelegate::RunProcess()       
#14 0x7ff3ba8256c3 content::RunBrowserProcessMain()       
#15 0x7ff3ba8267c4 content::ContentMainRunnerImpl::Run()                       
#16 0x7ff3b78926bf service_manager::Main()                                                       
#17 0x7ff3ba8245b4 content::ContentMain()
#18 0x000000d024b2 content::BrowserTestBase::SetUp()
#19 0x000000cf7644 content::ContentBrowserTest::SetUp()                                                                                                   
#20 0x000000bf0e1d testing::Test::Run()                                                
#21 0x000000bf1a80 testing::TestInfo::Run()          
#22 0x000000bf1f97 testing::TestCase::Run()                                                                                                                  
#23 0x000000bfd987 testing::internal::UnitTestImpl::RunAllTests()
#24 0x000000bfd4fd testing::UnitTest::Run()
#25 0x000000d3d751 base::TestSuite::Run()                                 
#26 0x000000cfb3d7 content::ContentTestLauncherDelegate::RunTestSuite()                                                                                                                                                                                                                  
#27 0x000000d22ff0 content::LaunchTests()
#28 0x000000cfb390 main
#29 0x7ff3b18662b1 __libc_start_main
#30 0x0000004bf02a _start