Add TrackedPreferenceValidationDelegate

chrome/browser/prefs/profile_pref_store_manager.h

Index: chrome/browser/prefs/profile_pref_store_manager.h
diff --git a/chrome/browser/prefs/profile_pref_store_manager.h b/chrome/browser/prefs/profile_pref_store_manager.h
index fa2456bebcfc9823b7087c84c17bdf801141cae4..e5ba3daeae2d4ac611e530cddc113a530c67e7b8 100644
--- a/chrome/browser/prefs/profile_pref_store_manager.h
+++ b/chrome/browser/prefs/profile_pref_store_manager.h
@@ -17,6 +17,7 @@
 class PersistentPrefStore;
 class PrefHashStoreImpl;
 class PrefService;
+class TrackedPreferenceValidationObserver;
 
 namespace base {
 class DictionaryValue;
@@ -81,9 +82,11 @@ class ProfilePrefStoreManager {
   void ResetPrefHashStore();
 
   // Creates a PersistentPrefStore providing access to the user preferences of
-  // the managed profile.
+  // the managed profile. An optional |verification_observer| will be notified
+  // of the status of each tracked preference as they are checked.
   PersistentPrefStore* CreateProfilePrefStore(
-      const scoped_refptr<base::SequencedTaskRunner>& io_task_runner);
+      const scoped_refptr<base::SequencedTaskRunner>& io_task_runner,
+      scoped_ptr<TrackedPreferenceValidationObserver> verification_observer);
 
   // Checks the presence/version of the hash store for the managed profile and
   // creates or updates it if necessary. Completes asynchronously and is safe if