[Profiles] Delete test-only method from the ProfileInfoCache

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 111 matching lines @@
   // Returns unique name that can be assigned to a newly created profile.
   base::string16 ChooseNameForNewProfile(size_t icon_index) const;
 
   // Returns an avatar icon index that can be assigned to a newly created
   // profile. Note that the icon may not be unique since there are a limited
   // set of default icons.
   size_t ChooseAvatarIconIndexForNewProfile() const;
 
   const base::FilePath& GetUserDataDir() const;
 
-  // Gets all names of profiles associated with this instance of Chrome.
-  // Because this method will be called during uninstall, before the creation
-  // of the ProfileManager, it reads directly from the local state preferences,
-  // rather than going through the ProfileInfoCache object.
-  static std::vector<base::string16> GetProfileNames();
-
   // Register cache related preferences in Local State.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // Checks whether the high res avatar at index |icon_index| exists, and
   // if it does not, calls |DownloadHighResAvatar|.
   void DownloadHighResAvatarIfNeeded(size_t icon_index,
                                      const base::FilePath& profile_path);
 
   // Saves the avatar |image| at |image_path|. This is used both for the
   // GAIA profile pictures and the ProfileAvatarDownloader that is used to
@@ skipping 83 matching lines @@
   // This prevents a picture from being downloaded multiple times. The
   // ProfileAvatarDownloader instances are deleted when the download completes
   // or when the ProfileInfoCache is destroyed.
   std::map<std::string, ProfileAvatarDownloader*>
       avatar_images_downloads_in_progress_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileInfoCache);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_H_