73, around March 2019. Please use ES modules instead. See https://www.chromestatus.com/features/5144752345317376 for more details.", source:  (0)
../../chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc:1816: Failure
Expected equality of these values:
  item_count + 1
    Which is: 4
  shelf_model()->item_count()
    Which is: 3
Stack trace:
#0 0x000001f95adc testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#1 0x000001f954a9 testing::internal::AssertHelper::operator=()
#2 0x000001b4abd5 ShelfAppBrowserTest_SettingsAndTaskManagerWindows_Test::RunTestOnMainThread()
#3 0x000003581262 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#4 0x00000301c64e ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#5 0x00000301b49e ChromeBrowserMainParts::PreMainMessageLoopRun()
#6 0x00000271d467 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#7 0x7fbf616018e7 content::BrowserMainLoop::PreMainMessageLoopRun()
#8 0x7fbf61af33d5 content::StartupTaskRunner::RunAllTasksNow()
#9 0x7fbf61600511 content::BrowserMainLoop::CreateStartupTasks()
#10 0x7fbf61603dc0 content::BrowserMainRunnerImpl::Initialize()
#11 0x7fbf615fe262 content::BrowserMain()
#12 0x7fbf620b2ae6 content::ContentMainRunnerImpl::Run()
#13 0x7fbf562c9d95 service_manager::Main()
#14 0x7fbf620b0eb4 content::ContentMain()
#15 0x000003580e26 content::BrowserTestBase::SetUp()
#16 0x000002fc1eab InProcessBrowserTest::SetUp()

[ash:64799:64799:1029/131924.226522:WARNING:shelf_button.cc(362)] An icon of size 32x32is being scaled up and will look blurry.
[64760:64760:1029/131924.230080:WARNING:CONSOLE(442)] "document.registerElement is deprecated and will be removed in M73, around March 2019. Please use window.customElements.define instead. See https://www.chromestatus.com/features/4642138092470272 for more details.", source: chrome://resources/polymer/v1_0/polymer/polymer-micro-extracted.js (442)
[ash:64799:64799:1029/131924.230265:WARNING:shelf_button.cc(362)] An icon of size 32x32is being scaled up and will look blurry.
[ash:64799:64799:1029/131924.230649:WARNING:shelf_button.cc(362)] An icon of size 32x32is being scaled up and will look blurry.
[ash:64799:64799:1029/131924.231036:WARNING:shelf_button.cc(362)] An icon of size 32x32is being scaled up and will look blurry.
[ash:64799:64799:1029/131924.232267:WARNING:shelf_button.cc(362)] An icon of size 32x32is being scaled up and will look blurry.
[ash:64799:64799:1029/131924.232482:WARNING:shelf_button.cc(362)] An icon of size 32x32is being scaled up and will look blurry.
[64760:64760:1029/131924.236340:ERROR:layer_tree_host_impl.cc(3126)] Forcing zero-copy tile initialization as worker context is missing
../../chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc:1821: Failure
Expected equality of these values:
  item_count + 2
    Which is: 5
  shelf_model()->item_count()
    Which is: 4
Stack trace:
#0 0x000001f95adc testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#1 0x000001f954a9 testing::internal::AssertHelper::operator=()
#2 0x000001b4ad2e ShelfAppBrowserTest_SettingsAndTaskManagerWindows_Test::RunTestOnMainThread()
#3 0x000003581262 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#4 0x00000301c64e ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#5 0x00000301b49e ChromeBrowserMainParts::PreMainMessageLoopRun()
#6 0x00000271d467 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#7 0x7fbf616018e7 content::BrowserMainLoop::PreMainMessageLoopRun()
#8 0x7fbf61af33d5 content::StartupTaskRunner::RunAllTasksNow()
#9 0x7fbf61600511 content::BrowserMainLoop::CreateStartupTasks()
#10 0x7fbf61603dc0 content::BrowserMainRunnerImpl::Initialize()
#11 0x7fbf615fe262 content::BrowserMain()
#12 0x7fbf620b2ae6 content::ContentMainRunnerImpl::Run()
#13 0x7fbf562c9d95 service_manager::Main()
#14 0x7fbf620b0eb4 content::ContentMain()
#15 0x000003580e26 content::BrowserTestBase::SetUp()
#16 0x000002fc1eab InProcessBrowserTest::SetUp()