Create additional PrefStore for Device Management policy.

chrome/browser/extensions/extension_pref_store_unittest.cc

Index: chrome/browser/extensions/extension_pref_store_unittest.cc
diff --git a/chrome/browser/extensions/extension_pref_store_unittest.cc b/chrome/browser/extensions/extension_pref_store_unittest.cc
index 90bed623ba78d4942840500f5c7aa4c271ec0674..580dd3e722083058696c6552c7313937991ddd05 100644
--- a/chrome/browser/extensions/extension_pref_store_unittest.cc
+++ b/chrome/browser/extensions/extension_pref_store_unittest.cc
@@ -343,7 +343,7 @@ TEST(ExtensionPrefStoreTest, NotifyWhenNeeded) {
   // only an ExtensionPrefStore. Likewise, the PrefService takes ownership of
   // the PrefValueStore and PrefNotifier.
   PrefValueStore* value_store = new TestingPrefService::TestingPrefValueStore(
-      NULL, eps, NULL, NULL, NULL, dps);
+      NULL, NULL, eps, NULL, NULL, NULL, dps);
   scoped_ptr<MockPrefService> pref_service(new MockPrefService(value_store));
   MockPrefNotifier* pref_notifier = new MockPrefNotifier(pref_service.get(),
       value_store);