Clean up when Chrome is terminated and WizardController is in charge of the message loop.

chrome/browser/chromeos/login/wizard_controller.cc

Index: chrome/browser/chromeos/login/wizard_controller.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller.cc b/chrome/browser/chromeos/login/wizard_controller.cc
index 5710002692ec8e090277d9957c2d6757c326d11d..d48309d56562733978cd72f478453a72015ebe12 100644
--- a/chrome/browser/chromeos/login/wizard_controller.cc
+++ b/chrome/browser/chromeos/login/wizard_controller.cc
@@ -46,6 +46,7 @@
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/notification_service.h"
+#include "chrome/common/notification_type.h"
 #include "chrome/common/pref_names.h"
 #include "cros/chromeos_wm_ipc_enums.h"
 #include "unicode/timezone.h"
@@ -266,6 +267,10 @@ WizardController::WizardController()
       observer_(NULL) {
   DCHECK(default_controller_ == NULL);
   default_controller_ = this;
+  registrar_.Add(
+      this,
+      NotificationType::APP_TERMINATING,
+      NotificationService::AllSources());
 }
 
 WizardController::~WizardController() {
@@ -513,6 +518,18 @@ void WizardController::SkipRegistration() {
     LOG(ERROR) << "Registration screen is not active.";
 }
 
+void WizardController::Observe(NotificationType type,
+                               const NotificationSource& source,
+                               const NotificationDetails& details) {
+  CHECK(type == NotificationType::APP_TERMINATING);
+
+  MessageLoop::current()->DeleteSoon(FROM_HERE, this);
+  MessageLoop::current()->Quit();
+  registrar_.Remove(this,
+                    NotificationType::APP_TERMINATING,
+                    NotificationService::AllSources());
+}
+
 // static
 void WizardController::RegisterPrefs(PrefService* local_state) {
   local_state->RegisterBooleanPref(kOobeComplete, false);