Issue 736564  has been merged into this issue.

 Issue 736579  has been merged into this issue.

 Issue 736581  has been merged into this issue.

 Issue 736604  has been merged into this issue.

 Issue 736610  has been merged into this issue.

It hits DCHECK in banners::AppBannerManager::RequestAppBanner().
dominickn@, could you take a look?

https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Ftryserver.chromium.linux%2Flinux_chromium_chromeos_rel_ng%2F455190%2F%2B%2Frecipes%2Fsteps%2Fbrowser_tests__with_patch_%2F0%2Flogs%2FSafeBrowsingBlockingPageBrowserTestWithThreatTypeAndIsolationSetting__x2f_SafeBrowsingBlockingPageBrowserTest.SecurityStateGoBackOnSubresourceInterstitial__x2f_1%2F0

[ RUN      ] SafeBrowsingBlockingPageBrowserTestWithThreatTypeAndIsolationSetting/SafeBrowsingBlockingPageBrowserTest.SecurityStateGoBackOnSubresourceInterstitial/1
[16287:16287:0623/160730.905662:WARNING:chrome_browser_main_chromeos.cc(541)] Running as stub user with profile dir: test-user
[16287:16388:0623/160731.248698:ERROR:logging_chrome.cc(180)] Unable to create symlink /b/s/w/itk19nm3/.org.chromium.Chromium.mG2SZ2/dTPUKxR/test-user/chrome_debug.log pointing at /b/s/w/itk19nm3/.org.chromium.Chromium.mG2SZ2/dTPUKxR/test-user/chrome_debug_20170623-160731.log: No such file or directory
Xlib:  extension "RANDR" missing on display ":99".
[16287:16409:0623/160731.485376:WARNING:freezer_cgroup_process_manager.cc(62)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[16287:16378:0623/160731.913983:WARNING:simple_synchronous_entry.cc(1102)] Could not open platform files for entry.
[16287:16384:0623/160731.942710:ERROR:test_database_manager.cc(58)] Not implemented reached in virtual bool safe_browsing::TestSafeBrowsingDatabaseManager::CheckResourceUrl(const GURL &, safe_browsing::SafeBrowsingDatabaseManager::Client *)
[16287:16287:0623/160732.174785:WARNING:navigator_impl.cc(268)] Discarding message during interstitial.
[16287:16287:0623/160732.228763:FATAL:app_banner_manager.cc(86)] Check failed: !need_to_log_status_.
#0 0x0000037413fc base::debug::StackTrace::StackTrace()
#1 0x00000375a421 logging::LogMessage::~LogMessage()
#2 0x00000385c775 banners::AppBannerManager::RequestAppBanner()
#3 0x0000026a16ea content::WebContentsImpl::OnDidFinishLoad()
#4 0x0000026a1519 _ZN3IPC8MessageTI31FrameHostMsg_DidFinishLoad_MetaSt5tupleIJ4GURLEEvE8DispatchIN7content15WebContentsImplES8_NS7_19RenderFrameHostImplEMS8_FvPS9_RKS3_EEEbPKNS_7MessageEPT_PT0_PT1_T2_
#5 0x00000269ffd3 content::WebContentsImpl::OnMessageReceived()
#6 0x0000023afccc content::RenderFrameHostImpl::OnMessageReceived()
#7 0x00000258911f content::RenderProcessHostImpl::OnMessageReceived()
#8 0x000004d8c391 IPC::ChannelProxy::Context::OnDispatchMessage()
#9 0x0000021a1b53 _ZN4base8internal7InvokerINS0_9BindStateINS0_18IgnoreResultHelperIMN7content20BrowserMessageFilter8InternalEFbRKN3IPC7MessageEEEEJ13scoped_refptrIS6_ES8_EEEFvvEE3RunEPNS0_13BindStateBaseE
#10 0x0000006e1199 _ZNO4base8CallbackIFvvELNS_8internal8CopyModeE1ELNS2_10RepeatModeE1EE3RunEv
#11 0x0000037f43a4 base::debug::TaskAnnotator::RunTask()
#12 0x0000037621d9 base::MessageLoop::RunTask()
#13 0x00000376249b base::MessageLoop::DeferOrRunPendingTask()
#14 0x0000037628a7 base::MessageLoop::DoWork()
#15 0x00000376476f base::(anonymous namespace)::WorkSourceDispatch()
#16 0x7fb69b934e04 g_main_context_dispatch
#17 0x7fb69b935048 <unknown>
#18 0x7fb69b9350ec g_main_context_iteration
#19 0x000003764565 base::MessagePumpGlib::Run()
#20 0x000003761dfb base::MessageLoop::Run()
#21 0x00000378cfca base::RunLoop::Run()
#22 0x000003e21866 content::MessageLoopRunner::Run()
#23 0x000003e21d4d content::WindowedNotificationObserver::Wait()
#24 0x000003debbeb content::WaitForLoadStop()
#25 0x000003834a1f ui_test_utils::NavigateToURLWithDispositionBlockUntilNavigationsComplete()
#26 0x00000171b4bb safe_browsing::SafeBrowsingBlockingPageBrowserTest_SecurityStateGoBackOnSubresourceInterstitial_Test::RunTestOnMainThread()
#27 0x000003dea727 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#28 0x000003872b4a ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#29 0x000003871c0d ChromeBrowserMainParts::PreMainMessageLoopRun()
#30 0x000001992809 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#31 0x0000022851c1 content::BrowserMainLoop::PreMainMessageLoopRun()
#32 0x000002676a07 content::StartupTaskRunner::RunAllTasksNow()
#33 0x000002283685 content::BrowserMainLoop::CreateStartupTasks()
#34 0x000002287d22 content::BrowserMainRunnerImpl::Initialize()
#35 0x000002280be7 content::BrowserMain()
#36 0x0000036ecefc content::ContentMainRunnerImpl::Run()
#37 0x0000055d2f54 service_manager::Main()
#38 0x0000036ebd34 content::ContentMain()
#39 0x000003dea022 content::BrowserTestBase::SetUp()
#40 0x000003830d43 InProcessBrowserTest::SetUp()
#41 0x000001c98de1 testing::Test::Run()
#42 0x000001c998f0 testing::TestInfo::Run()
#43 0x000001c99e27 testing::TestCase::Run()
#44 0x000001ca0fc7 testing::internal::UnitTestImpl::RunAllTests()
#45 0x000001ca0c4b testing::UnitTest::Run()
#46 0x000003845066 base::TestSuite::Run()
#47 0x000003733fd3 ChromeTestSuiteRunner::RunTestSuite()
#48 0x000003e1d8d2 content::LaunchTests()
#49 0x000003731bd3 main
#50 0x7fb6979acf45 __libc_start_main
#51 0x000000651efe <unknown>

benwells@, your CL (crrev.com/2957523003) was tickling this on the trybots. Can you take a look?

Since both of our patches landed this has stopped flaking on the try bots. It also isn't flaking on the waterfall.