Make user_manager::UserImage non-copyable

chrome/browser/chromeos/login/users/avatar/user_image_manager.h

 // Copyright 2014 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_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_MANAGER_H_
 
 #include <string>
 
 #include "components/user_manager/user.h"
@@ skipping 34 matching lines @@
 
   // Indicates that a user profile was created.
   virtual void UserProfileCreated() = 0;
 
   // Sets user image to the default image with index |image_index|, sends
   // LOGIN_USER_IMAGE_CHANGED notification and updates Local State.
   virtual void SaveUserDefaultImageIndex(int image_index) = 0;
 
   // Saves image to file, sends LOGIN_USER_IMAGE_CHANGED notification and
   // updates Local State.
-  virtual void SaveUserImage(const user_manager::UserImage& user_image) = 0;
+  virtual void SaveUserImage(
+      scoped_ptr<user_manager::UserImage> user_image) = 0;
 
   // Tries to load user image from disk; if successful, sets it for the user,
   // sends LOGIN_USER_IMAGE_CHANGED notification and updates Local State.
   virtual void SaveUserImageFromFile(const base::FilePath& path) = 0;
 
   // Sets profile image as user image for the user, sends
   // LOGIN_USER_IMAGE_CHANGED notification and updates Local State. If
   // the user is not logged-in or the last |DownloadProfileImage| call
   // has failed, a default grey avatar will be used until the user logs
   // in and profile image is downloaded successfully.
@@ skipping 38 matching lines @@
   const std::string& user_id() const { return user_id_; }
 
   // ID of user which images are managed by current instance of
   // UserImageManager.
   const std::string user_id_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_MANAGER_H_