Make the SigninErrorController a PKS.

chrome/browser/signin/signin_error_notifier_ash_unittest.cc

Index: chrome/browser/signin/signin_error_notifier_ash_unittest.cc
diff --git a/chrome/browser/signin/signin_error_notifier_ash_unittest.cc b/chrome/browser/signin/signin_error_notifier_ash_unittest.cc
index e49b489ec6f1a5a47605d58112ce3deb202a3f8f..2914ad77aa02c4b913f08b66728ed5907f3bcc32 100644
--- a/chrome/browser/signin/signin_error_notifier_ash_unittest.cc
+++ b/chrome/browser/signin/signin_error_notifier_ash_unittest.cc
@@ -10,7 +10,7 @@
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/signin/fake_signin_manager.h"
-#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
+#include "chrome/browser/signin/signin_error_controller_factory.h"
 #include "chrome/browser/signin/signin_error_notifier_factory_ash.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/test/base/testing_browser_process.h"
@@ -84,9 +84,8 @@ class SigninErrorNotifierTest : public AshTestBase {
     gfx::Screen::SetScreenTypeDelegate(new ScreenTypeDelegateDesktop);
 #endif
 
-    error_controller_ =
-        ProfileOAuth2TokenServiceFactory::GetForProfile(profile_.get())->
-            signin_error_controller();
+    error_controller_ = SigninErrorControllerFactory::GetForProfile(
+        profile_.get());
     SigninErrorNotifierFactory::GetForProfile(profile_.get());
     notification_ui_manager_ = g_browser_process->notification_ui_manager();
   }