Remove some uses of stl_util's STLDeleteContainerPointers.

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>
@@ skipping 13 matching lines @@
     base::TimeTicks start_time;
     base::TimeTicks end_time;
     std::string task_description;
     std::string result_description;
     std::vector<std::string> details;
 
     TaskLog();
     ~TaskLog();
   };
 
-  typedef std::deque<TaskLog*> LogList;
+  using LogList = std::deque<std::unique_ptr<TaskLog>>;
 
   class Observer {
    public:
     virtual void OnLogRecorded(const TaskLog& task_log) = 0;
 
    protected:
     Observer() {}
     virtual ~Observer() {}
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Observer);
   };
 
   TaskLogger();
   ~TaskLogger();
 
   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_;
+  LogList log_history_;
 
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskLogger);
 };
 
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_TASK_LOGGER_H_