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

chrome/browser/ui/webui/print_preview/sticky_settings.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_PRINT_PREVIEW_STICKY_SETTINGS_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_STICKY_SETTINGS_H_
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "printing/print_job_constants.h"
 
 class PrefService;
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 }
 
 namespace user_prefs {
@@ skipping 16 matching lines @@
   // Stores app state for the last used printer.
   void StoreAppState(const std::string& app_state);
   // Stores the last path the user used to save to pdf.
   void StoreSavePath(const base::FilePath& path);
 
   void SaveInPrefs(PrefService* profile);
   void RestoreFromPrefs(PrefService* profile);
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
  private:
-  scoped_ptr<base::FilePath> save_path_;
-  scoped_ptr<std::string> printer_app_state_;
+  std::unique_ptr<base::FilePath> save_path_;
+  std::unique_ptr<std::string> printer_app_state_;
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_STICKY_SETTINGS_H_