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

chrome/browser/sync_file_system/drive_backend/callback_helper.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_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_
 
+#include <memory>
 #include <type_traits>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/sequenced_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 
 // TODO(tzik): Merge this file to media/base/bind_to_current_loop.h.
 
 namespace sync_file_system {
 namespace drive_backend {
 
 namespace internal {
 
 template <typename T>
-base::internal::PassedWrapper<scoped_ptr<T>> RebindForward(scoped_ptr<T>& t) {
+base::internal::PassedWrapper<std::unique_ptr<T>> RebindForward(
+    std::unique_ptr<T>& t) {
   return base::Passed(&t);
 }
 
 template <typename T>
 T& RebindForward(T& t) {
   return t;
 }
 
 template <typename T>
 class CallbackHolder {
@@ skipping 13 matching lines @@
       delete callback;
   }
 
   base::SequencedTaskRunner* task_runner() const { return task_runner_.get(); }
   const tracked_objects::Location& from_here() const { return from_here_; }
   const base::Callback<T>& callback() const { return *callback_; }
 
  private:
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   const tracked_objects::Location from_here_;
-  scoped_ptr<base::Callback<T> > callback_;
+  std::unique_ptr<base::Callback<T>> callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CallbackHolder);
 };
 
 template <typename>
 struct RelayToTaskRunnerHelper;
 
 template <typename... Args>
 struct RelayToTaskRunnerHelper<void(Args...)> {
   static void Run(CallbackHolder<void(Args...)>* holder, Args... args) {
@@ skipping 26 matching lines @@
     const base::Callback<T>& callback) {
   return RelayCallbackToTaskRunner(
       base::ThreadTaskRunnerHandle::Get(),
       from_here, callback);
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_