[Profiles] Remove the NotificationService from the ProfileInfoCache

chrome/browser/profiles/profile_info_cache_observer.h

Index: chrome/browser/profiles/profile_info_cache_observer.h
diff --git a/chrome/browser/profiles/profile_info_cache_observer.h b/chrome/browser/profiles/profile_info_cache_observer.h
index f3bfb8864d6ed02e8c11f961b08c15ba2d6240cc..a7a343750eebf6f9a19360f69642e2b0fba1aa4e 100644
--- a/chrome/browser/profiles/profile_info_cache_observer.h
+++ b/chrome/browser/profiles/profile_info_cache_observer.h
@@ -24,6 +24,7 @@ class ProfileInfoCacheObserver {
                                    const base::string16& profile_name) {}
   virtual void OnProfileNameChanged(const base::FilePath& profile_path,
                                     const base::string16& old_profile_name) {}
+  virtual void OnProfileUserNameChanged(const base::FilePath& profile_path) {}
   virtual void OnProfileAvatarChanged(const base::FilePath& profile_path) {}
   virtual void OnProfileHighResAvatarLoaded(
       const base::FilePath& profile_path) {}