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

chrome/browser/sync_file_system/task_logger.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_TASK_LOGGER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_TASK_LOGGER_H_
 
 #include <deque>
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
 
 namespace sync_file_system {
 
 class TaskLogger : public base::SupportsWeakPtr<TaskLogger> {
  public:
   struct TaskLog {
     int log_id;
@@ skipping 17 matching lines @@
     Observer() {}
     virtual ~Observer() {}
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Observer);
   };
 
   TaskLogger();
   ~TaskLogger();
 
-  void RecordLog(scoped_ptr<TaskLog> log);
+  void RecordLog(std::unique_ptr<TaskLog> log);
   void ClearLog();
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   const LogList& GetLog() const;
 
  private:
   std::deque<TaskLog*> log_history_;
 
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskLogger);
 };
 
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_TASK_LOGGER_H_