[Profiles] Remove the NotificationService from the ProfileInfoCache

chrome/browser/profiles/profile_info_cache_observer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_OBSERVER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_OBSERVER_H_
 
 #include "base/strings/string16.h"
 #include "ui/gfx/image/image.h"
 
 namespace base {
 class FilePath;
 }
 
 // This class provides an Observer interface to watch for changes to the
 // ProfileInfoCache.
 class ProfileInfoCacheObserver {
  public:
   virtual ~ProfileInfoCacheObserver() {}
 
   virtual void OnProfileAdded(const base::FilePath& profile_path) {}
   virtual void OnProfileWillBeRemoved(const base::FilePath& profile_path) {}
   virtual void OnProfileWasRemoved(const base::FilePath& profile_path,
                                    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) {}
   virtual void OnProfileSigninRequiredChanged(
       const base::FilePath& profile_path) {}
   virtual void OnProfileSupervisedUserIdChanged(
       const base::FilePath& profile_path) {}
 
  protected:
   ProfileInfoCacheObserver() {}
 
   DISALLOW_COPY_AND_ASSIGN(ProfileInfoCacheObserver);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_OBSERVER_H_