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

chrome/browser/sync_file_system/drive_backend/task_dependency_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_SYNC_FILE_SYSTEM_DRIVE_BACKEND_TASK_DEPENDENCY_MANAGER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_TASK_DEPENDENCY_MANAGER_H_
 
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/sync_file_system/subtree_set.h"
 
 namespace sync_file_system {
 namespace drive_backend {
 
 struct TaskBlocker {
   bool exclusive;
   std::string app_id;
   std::vector<base::FilePath> paths;
   std::vector<std::string> file_ids;
@@ skipping 30 matching lines @@
   std::set<std::string> file_ids_;
   std::set<int64_t> tracker_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskDependencyManager);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_TASK_DEPENDENCY_MANAGER_H_