Chrome Version: 0a5db00071313bb4b74d95b4e4f441f520123b8b-refs/heads/master@{#509375}

What steps will reproduce the problem?
(1) Set ForceBrowserSignin: false
(2) Start Chrome with fresh profile directory and close it again
(3) Set ForceBrowserSignin: true
(4) Start Chrome and log into the existing profile with a managed account
(5) On the "Link your Chrome data" screen, select "create a new profile"
(6) On the profile picker screen, click on the new profile and sign in
(7) Click "Link data"

--> crash

[9808:9808:1017/173339.316078:FATAL:user_cloud_policy_manager.cc(66)] Check failed: !core()->client(). 
#0 0x7f13b7fa8ce7 base::debug::StackTrace::StackTrace()
#1 0x7f13b7fc7a31 logging::LogMessage::~LogMessage()
#2 0x7f13b416eb66 policy::UserCloudPolicyManager::Connect()
#3 0x559bddcf4755 policy::UserPolicySigninServiceBase::InitializeUserCloudPolicyManager()
#4 0x559bddcf3871 policy::UserPolicySigninService::InitializeUserCloudPolicyManager()
#5 0x559bddcf41ab policy::UserPolicySigninServiceBase::FetchPolicyForSignedInUser()
#6 0x559bde91c19e OneClickSigninSyncStarter::LoadPolicyWithCachedCredentials()
#7 0x559bde91c07c OneClickSigninSyncStarter::SigninDialogDelegate::OnContinueSignin()
#8 0x559bdea1455a ProfileSigninConfirmationDialogViews::ButtonPressed()
#9 0x7f13b3c35025 views::Button::OnMouseReleased()
#10 0x7f13b3c248b1 views::InkDropHostView::OnMouseEvent()
#11 0x7f13b45ce563 ui::EventDispatcher::ProcessEvent()
#12 0x7f13b45ce30a ui::EventDispatcherDelegate::DispatchEvent()
#13 0x7f13b3c9932a views::internal::RootView::OnMouseReleased()
#14 0x7f13b3c9e644 views::Widget::OnMouseEvent()
#15 0x7f13b45ce563 ui::EventDispatcher::ProcessEvent()
#16 0x7f13b45ce30a ui::EventDispatcherDelegate::DispatchEvent()
#17 0x7f13b45cf1be ui::EventProcessor::OnEventFromSource()
#18 0x7f13b45cf4d6 ui::EventSource::SendEventToSink()
#19 0x7f13b3cc4219 views::DesktopWindowTreeHostX11::DispatchMouseEvent()
#20 0x7f13b3cc5363 views::DesktopWindowTreeHostX11::DispatchEvent()
#21 0x7f13b3cc557d views::DesktopWindowTreeHostX11::DispatchEvent()
#22 0x7f13b73d6a75 ui::PlatformEventSource::DispatchEvent()
#23 0x7f13acc952fc ui::X11EventSource::ExtractCookieDataDispatchEvent()
#24 0x7f13acc952ad ui::X11EventSource::DispatchXEvents()
#25 0x7f13acc98179 ui::(anonymous namespace)::XSourceDispatch()
#26 0x7f13af543ce5 g_main_context_dispatch
#27 0x7f13af544048 <unknown>
#28 0x7f13af5440ec g_main_context_iteration
#29 0x7f13b7fd1063 base::MessagePumpGlib::Run()
#30 0x7f13b7ff64d5 base::RunLoop::Run()
#31 0x559bddb10382 ChromeBrowserMainParts::MainMessageLoopRun()
#32 0x7f13b5d9da92 content::BrowserMainLoop::RunMainMessageLoopParts()
#33 0x7f13b5da086d content::BrowserMainRunnerImpl::Run()
#34 0x7f13b5d99958 content::BrowserMain()
#35 0x7f13b6462422 content::ContentMainRunnerImpl::Run()
#36 0x7f13b847b444 service_manager::Main()
#37 0x7f13b6460f62 content::ContentMain()
#38 0x559bdd7661c4 ChromeMain
#39 0x7f13aced4f45 __libc_start_main
#40 0x559bdd766029 <unknown>

Received signal 6
#0 0x7f13b7fa8ce7 base::debug::StackTrace::StackTrace()
#1 0x7f13b7fa884f base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7f13b80b2330 <unknown>
#3 0x7f13acee9c37 gsignal
#4 0x7f13aceed028 abort
#5 0x7f13b7fa63f2 base::debug::BreakDebugger()
#6 0x7f13b7fc7e23 logging::LogMessage::~LogMessage()
#7 0x7f13b416eb66 policy::UserCloudPolicyManager::Connect()
#8 0x559bddcf4755 policy::UserPolicySigninServiceBase::InitializeUserCloudPolicyManager()
#9 0x559bddcf3871 policy::UserPolicySigninService::InitializeUserCloudPolicyManager()
#10 0x559bddcf41ab policy::UserPolicySigninServiceBase::FetchPolicyForSignedInUser()
#11 0x559bde91c19e OneClickSigninSyncStarter::LoadPolicyWithCachedCredentials()
#12 0x559bde91c07c OneClickSigninSyncStarter::SigninDialogDelegate::OnContinueSignin()
#13 0x559bdea1455a ProfileSigninConfirmationDialogViews::ButtonPressed()
#14 0x7f13b3c35025 views::Button::OnMouseReleased()
#15 0x7f13b3c248b1 views::InkDropHostView::OnMouseEvent()
#16 0x7f13b45ce563 ui::EventDispatcher::ProcessEvent()
#17 0x7f13b45ce30a ui::EventDispatcherDelegate::DispatchEvent()
#18 0x7f13b3c9932a views::internal::RootView::OnMouseReleased()
#19 0x7f13b3c9e644 views::Widget::OnMouseEvent()
#20 0x7f13b45ce563 ui::EventDispatcher::ProcessEvent()
#21 0x7f13b45ce30a ui::EventDispatcherDelegate::DispatchEvent()
#22 0x7f13b45cf1be ui::EventProcessor::OnEventFromSource()
#23 0x7f13b45cf4d6 ui::EventSource::SendEventToSink()
#24 0x7f13b3cc4219 views::DesktopWindowTreeHostX11::DispatchMouseEvent()
#25 0x7f13b3cc5363 views::DesktopWindowTreeHostX11::DispatchEvent()
#26 0x7f13b3cc557d views::DesktopWindowTreeHostX11::DispatchEvent()
#27 0x7f13b73d6a75 ui::PlatformEventSource::DispatchEvent()
#28 0x7f13acc952fc ui::X11EventSource::ExtractCookieDataDispatchEvent()
#29 0x7f13acc952ad ui::X11EventSource::DispatchXEvents()
#30 0x7f13acc98179 ui::(anonymous namespace)::XSourceDispatch()
#31 0x7f13af543ce5 g_main_context_dispatch
#32 0x7f13af544048 <unknown>
#33 0x7f13af5440ec g_main_context_iteration
#34 0x7f13b7fd1063 base::MessagePumpGlib::Run()
#35 0x7f13b7ff64d5 base::RunLoop::Run()
#36 0x559bddb10382 ChromeBrowserMainParts::MainMessageLoopRun()
#37 0x7f13b5d9da92 content::BrowserMainLoop::RunMainMessageLoopParts()
#38 0x7f13b5da086d content::BrowserMainRunnerImpl::Run()
#39 0x7f13b5d99958 content::BrowserMain()
#40 0x7f13b6462422 content::ContentMainRunnerImpl::Run()
#41 0x7f13b847b444 service_manager::Main()
#42 0x7f13b6460f62 content::ContentMain()
#43 0x559bdd7661c4 ChromeMain
#44 0x7f13aced4f45 __libc_start_main
#45 0x559bdd766029 <unknown>
  r8: ffffa8098a5fc9f0  r9: ffffa8098a5fc9e0 r10: 0000000000000008 r11: 0000000000000206
 r12: 00007fffaaed8aa0 r13: 0000000000000067 r14: 00007fffaaed8a98 r15: 00007fffaaed8a90
  di: 0000000000002650  si: 0000000000002650  bp: 00007fffaaed8630  bx: 00007fffaaed8630
  dx: 0000000000000006  ax: 0000000000000000  cx: 00007f13acee9c37  sp: 00007fffaaed8488
  ip: 00007f13acee9c37 efl: 0000000000000206 cgf: 0000000000000033 erf: 0000000000000000
 trp: 0000000000000000 msk: 0000000000000000 cr2: 0000000000000000