[Profiles] Update legacy default profile names.

chrome/browser/profiles/profile_info_cache.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_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 188 matching lines @@
 
   // Called when the picture given by |key| has been loaded from disk and
   // decoded into |image|.
   void OnAvatarPictureLoaded(const std::string& key,
                              gfx::Image** image) const;
   // Called when the picture given by |file_name| has been saved to disk.
   // Used both for the GAIA profile picture and the high res avatar files.
   void OnAvatarPictureSaved(const std::string& file_name,
                             const base::FilePath& profile_path);
 
+  // Migrate any legacy profile names ("First user", "Default Profile") to
+  // new style default names ("Person 1"), and download and high-res avatars
+  // used by the profiles.
+  void MigrateLegacyProfileNamesAndDownloadAvatars();
+
   PrefService* prefs_;
   std::vector<std::string> sorted_keys_;
   base::FilePath user_data_dir_;
 
   ObserverList<ProfileInfoCacheObserver> observer_list_;
 
   // A cache of gaia/high res avatar profile pictures. This cache is updated
   // lazily so it needs to be mutable.
   mutable std::map<std::string, gfx::Image*> cached_avatar_images_;
   // Marks a profile picture as loading from disk. This prevents a picture from
   // loading multiple times.
   mutable std::map<std::string, bool> cached_avatar_images_loading_;
 
   // Map of profile pictures currently being downloaded from the remote
   // location and the ProfileAvatarDownloader instances downloading them.
   // This prevents a picture from being downloaded multiple times. The
   // ProfileAvatarDownloader instances are deleted when the download completes
   // or when the ProfileInfoCache is destroyed.
   mutable std::map<std::string, ProfileAvatarDownloader*>
       avatar_images_downloads_in_progress_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileInfoCache);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_H_