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

chrome/browser/ui/cocoa/website_settings/permission_selector_button.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_UI_COCOA_WEBSITE_SETTINGS_PERMISSION_SELECTOR_BUTTON_H_
 #define CHROME_BROWSER_UI_COCOA_WEBSITE_SETTINGS_PERMISSION_SELECTOR_BUTTON_H_
 
 #import <Cocoa/Cocoa.h>
 
+#include <memory>
+
 #include "base/mac/scoped_nsobject.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/website_settings/permission_menu_model.h"
 #include "components/content_settings/core/common/content_settings.h"
 
 @class MenuController;
 
 @interface PermissionSelectorButton : NSPopUpButton {
  @private
-  scoped_ptr<PermissionMenuModel> menuModel_;
+  std::unique_ptr<PermissionMenuModel> menuModel_;
   base::scoped_nsobject<MenuController> menuController_;
 }
 
 // Designated initializer.
 - (id)initWithPermissionInfo:
           (const WebsiteSettingsUI::PermissionInfo&)permissionInfo
                       forURL:(const GURL&)url
                 withCallback:(PermissionMenuModel::ChangeCallback)callback;
 
 // Returns the largest possible size given all of the items in the menu.
 - (CGFloat)maxTitleWidthForContentSettingsType:(ContentSettingsType)type
                             withDefaultSetting:(ContentSetting)defaultSetting;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_WEBSITE_SETTINGS_PERMISSION_SELECTOR_BUTTON_H_