Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/login/users/avatar/user_image_loader.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_LOADER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_LOADER_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/image_decoder.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace user_manager {
 class UserImage;
 }
 
 // Helper functions that read, decode and optionally resize an image on a
 // background thread. The image is returned in the form of a UserImage.
 namespace chromeos {
 namespace user_image_loader {
 
-typedef base::Callback<void(scoped_ptr<user_manager::UserImage>)>
+typedef base::Callback<void(std::unique_ptr<user_manager::UserImage>)>
     LoadedCallback;
 
 // Loads an image with |image_codec| in the background and calls |loaded_cb|
 // with the resulting UserImage (which may be empty in case of error). If
 // |pixels_per_side| is positive, the image is cropped to a square and shrunk
 // so that it does not exceed |pixels_per_side|x|pixels_per_side|. The first
 // variant of this function reads the image from |file_path| on disk, the
 // second processes |data| read into memory already. Decoding is done in a
 // separate sandboxed process via ImageDecoder, and file I/O and resizing are
 // done via |background_task_runner|.
 void StartWithFilePath(
     scoped_refptr<base::SequencedTaskRunner> background_task_runner,
     const base::FilePath& file_path,
     ImageDecoder::ImageCodec image_codec,
     int pixels_per_side,
     const LoadedCallback& loaded_cb);
 void StartWithData(
     scoped_refptr<base::SequencedTaskRunner> background_task_runner,
-    scoped_ptr<std::string> data,
+    std::unique_ptr<std::string> data,
     ImageDecoder::ImageCodec image_codec,
     int pixels_per_side,
     const LoadedCallback& loaded_cb);
 
 }  // namespace user_image_loader
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_USER_IMAGE_LOADER_H_