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

chrome/browser/ui/task_manager/task_manager_table_model.h

Index: chrome/browser/ui/task_manager/task_manager_table_model.h
diff --git a/chrome/browser/ui/task_manager/task_manager_table_model.h b/chrome/browser/ui/task_manager/task_manager_table_model.h
index f08e17f54bda910d7238141df6fd50950187120a..bd175a9a6bc473a3829f4ee1b207ad57f075339e 100644
--- a/chrome/browser/ui/task_manager/task_manager_table_model.h
+++ b/chrome/browser/ui/task_manager/task_manager_table_model.h
@@ -7,8 +7,9 @@
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/task_management/task_manager_observer.h"
 #include "ui/base/models/table_model.h"
@@ -118,7 +119,7 @@ class TaskManagerTableModel
   // exists, or the default column settings.
   // The columns settings are the visible columns and the last sorted column
   // and the direction of the sort.
-  scoped_ptr<base::DictionaryValue> columns_settings_;
+  std::unique_ptr<base::DictionaryValue> columns_settings_;
 
   // The table model observer that will be set by the table view of the task
   // manager.
@@ -129,7 +130,7 @@ class TaskManagerTableModel
 
   // The owned task manager values stringifier that will be used to convert the
   // values to string16.
-  scoped_ptr<TaskManagerValuesStringifier> stringifier_;
+  std::unique_ptr<TaskManagerValuesStringifier> stringifier_;
 
   // The status of the flag #enable-nacl-debug.
   bool is_nacl_debugging_flag_enabled_;