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

chrome/browser/sync_file_system/local/syncable_file_operation_runner.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/sync_file_system/local/syncable_file_operation_runner.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 50 matching lines @@
 }
 
 void SyncableFileOperationRunner::OnSyncEnabled(const FileSystemURL& url) {
 }
 
 void SyncableFileOperationRunner::OnWriteEnabled(const FileSystemURL& url) {
   DCHECK(CalledOnValidThread());
   RunNextRunnableTask();
 }
 
-void SyncableFileOperationRunner::PostOperationTask(scoped_ptr<Task> task) {
+void SyncableFileOperationRunner::PostOperationTask(
+    std::unique_ptr<Task> task) {
   DCHECK(CalledOnValidThread());
   pending_tasks_.push_back(task.release());
   RunNextRunnableTask();
 }
 
 void SyncableFileOperationRunner::RunNextRunnableTask() {
   DCHECK(CalledOnValidThread());
   for (std::list<Task*>::iterator iter = pending_tasks_.begin();
        iter != pending_tasks_.end() && ShouldStartMoreTasks();) {
     if ((*iter)->IsRunnable(sync_status())) {
       ++num_inflight_tasks_;
       DCHECK_GE(num_inflight_tasks_, 1);
-      scoped_ptr<Task> task(*iter);
+      std::unique_ptr<Task> task(*iter);
       pending_tasks_.erase(iter++);
       task->Start(sync_status());
       continue;
     }
     ++iter;
   }
 }
 
 void SyncableFileOperationRunner::OnOperationCompleted(
     const std::vector<FileSystemURL>& target_paths) {
   --num_inflight_tasks_;
   DCHECK_GE(num_inflight_tasks_, 0);
   for (size_t i = 0; i < target_paths.size(); ++i) {
     DCHECK(sync_status()->IsWriting(target_paths[i]));
     sync_status()->EndWriting(target_paths[i]);
   }
   RunNextRunnableTask();
 }
 
 bool SyncableFileOperationRunner::ShouldStartMoreTasks() const {
   return num_inflight_tasks_ < max_inflight_tasks_;
 }
 
 }  // namespace sync_file_system