After signin token check failed, show force reauth dialog and start window closing countdown.

chrome/browser/ui/views/profiles/forced_reauthentication_dialog.h

Index: chrome/browser/ui/views/profiles/forced_reauthentication_dialog.h
diff --git a/chrome/browser/ui/views/profiles/forced_reauthentication_dialog.h b/chrome/browser/ui/views/profiles/forced_reauthentication_dialog.h
index 3e377d109120dac21467ac64cfb991ca5d8bca4a..09ab35f34544e74e66eae2ceaf8696d725a80a46 100644
--- a/chrome/browser/ui/views/profiles/forced_reauthentication_dialog.h
+++ b/chrome/browser/ui/views/profiles/forced_reauthentication_dialog.h
@@ -32,7 +32,7 @@ class ForcedReauthenticationDialog : public views::DialogDelegateView {
   static ForcedReauthenticationDialog* ShowDialog(
       Profile* profile,
       SigninManager* signin_manager,
-      const base::TimeDelta& countdown_duration);
+      base::TimeDelta countdown_duration);
 
   // override views::DialogDelegateView
   bool Accept() override;
@@ -49,7 +49,7 @@ class ForcedReauthenticationDialog : public views::DialogDelegateView {
   // Show the dialog for |browser|. The dialog will delete itself after closing.
   ForcedReauthenticationDialog(Browser* browser,
                                SigninManager* signin_manager,
-                               const base::TimeDelta& countdown_duration);
+                               base::TimeDelta countdown_duration);
 
   void OnCountDown();
   base::TimeDelta GetTimeRemaining() const;