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

chrome/browser/ui/webui/options/import_data_handler.h

 // Copyright (c) 2012 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_UI_WEBUI_OPTIONS_IMPORT_DATA_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_IMPORT_DATA_HANDLER_H_
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/importer/importer_progress_observer.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 #include "chrome/common/importer/importer_data_types.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 class ExternalProcessImporterHost;
 class ImporterList;
 
 namespace options {
 
@@ skipping 26 matching lines @@
   void ImportEnded() override;
 
   // ui::SelectFileDialog::Listener:
   void FileSelected(const base::FilePath& path,
                     int index,
                     void* params) override;
 
   // Opens a file selection dialog to choose the bookmarks HTML file.
   void HandleChooseBookmarksFile(const base::ListValue* args);
 
-  scoped_ptr<ImporterList> importer_list_;
+  std::unique_ptr<ImporterList> importer_list_;
 
   // If non-null it means importing is in progress. ImporterHost takes care
   // of deleting itself when import is complete.
   ExternalProcessImporterHost* importer_host_;  // weak
 
   bool import_did_succeed_;
 
   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(ImportDataHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_IMPORT_DATA_HANDLER_H_