Remove some uses of stl_util's STLDeleteContainerPointers.

chrome/browser/sync_file_system/task_logger.h

Index: chrome/browser/sync_file_system/task_logger.h
diff --git a/chrome/browser/sync_file_system/task_logger.h b/chrome/browser/sync_file_system/task_logger.h
index 3197ca71663a4aa1e337bc5d4bfef05ab9e0f443..47bac34f42b3b57d6da0ecbbf133b76d385524af 100644
--- a/chrome/browser/sync_file_system/task_logger.h
+++ b/chrome/browser/sync_file_system/task_logger.h
@@ -31,7 +31,7 @@ class TaskLogger : public base::SupportsWeakPtr<TaskLogger> {
     ~TaskLog();
   };
 
-  typedef std::deque<TaskLog*> LogList;
+  using LogList = std::deque<std::unique_ptr<TaskLog>>;
 
   class Observer {
    public:
@@ -57,7 +57,7 @@ class TaskLogger : public base::SupportsWeakPtr<TaskLogger> {
   const LogList& GetLog() const;
 
  private:
-  std::deque<TaskLog*> log_history_;
+  LogList log_history_;
 
   base::ObserverList<Observer> observers_;