Improve the ProfileInfoCache API.

chrome/browser/profiles/profile_info_interface.h

 // Copyright (c) 2011 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_INTERFACE_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_INFO_INTERFACE_H_
 
 #include "base/files/file_path.h"
 #include "base/strings/string16.h"
 
 namespace base {
 class Time;
 }
 
 namespace gfx {
 class Image;
 }
 
 // This abstract interface is used to query the profiles backend for information
 // about the different profiles. Its sole concrete implementation is the
 // ProfileInfoCache. This interface exists largely to assist in testing.
+// The ProfileInfoInterface is being deprecated. Prefer using the
+// ProfileAttributesStorage and avoid using the Get*AtIndex family of functions.
 class ProfileInfoInterface {
  public:
   virtual size_t GetNumberOfProfiles() const = 0;
 
   virtual size_t GetIndexOfProfileWithPath(
       const base::FilePath& profile_path) const = 0;
 
   virtual base::Time GetProfileActiveTimeAtIndex(size_t index) const = 0;
 
   virtual base::string16 GetNameOfProfileAtIndex(size_t index) const = 0;
@@ skipping 60 matching lines @@
   virtual bool ProfileIsUsingDefaultAvatarAtIndex(size_t index) const = 0;
 
   // Returns true if the given profile is connected to an account.
   virtual bool ProfileIsAuthenticatedAtIndex(size_t index) const = 0;
 
  protected:
   virtual ~ProfileInfoInterface() {}
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_INFO_INTERFACE_H_