Part of multiprofile implementation.

chrome/browser/chromeos/login/base_login_display_host.cc

Index: chrome/browser/chromeos/login/base_login_display_host.cc
diff --git a/chrome/browser/chromeos/login/base_login_display_host.cc b/chrome/browser/chromeos/login/base_login_display_host.cc
index 780a6ac909e2359b3656ad759a4a0682649d1c51..70edf0db6f580fd11d1fc4a3ff47b0e9cd4b6265 100644
--- a/chrome/browser/chromeos/login/base_login_display_host.cc
+++ b/chrome/browser/chromeos/login/base_login_display_host.cc
@@ -37,6 +37,7 @@
 #include "chrome/browser/chromeos/system/timezone_settings.h"
 #include "chrome/browser/managed_mode/managed_mode.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
+#include "chrome/browser/profiles/profile_destroyer.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ -167,12 +168,12 @@ void BaseLoginDisplayHost::BeforeSessionStart() {
 
 void BaseLoginDisplayHost::OnSessionStart() {
   DVLOG(1) << "Session starting";
-  if (chromeos::UserManager::Get()->IsCurrentUserNew()) {
-    ash::Shell::GetInstance()->
-        desktop_background_controller()->MoveDesktopToUnlockedContainer();
-  }
+  ash::Shell::GetInstance()->
+      desktop_background_controller()->MoveDesktopToUnlockedContainer();
   if (wizard_controller_.get())
     wizard_controller_->OnSessionStart();
+  ProfileDestroyer::DestroyProfileWhenAppropriate(
+      ProfileManager::GetSigninProfile());
   // Display host is deleted once animation is completed
   // since sign in screen widget has to stay alive.
   StartAnimation();