Site Settings Desktop: Implement individual cookie removal and RemoveAll.

chrome/browser/ui/webui/settings/settings_cookies_view_handler.h

 // Copyright 2016 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_SETTINGS_SETTINGS_COOKIES_VIEW_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_COOKIES_VIEW_HANDLER_H_
 
 #include <memory>
 
 #include "base/compiler_specific.h"
@@ skipping 56 matching lines @@
   void ReloadCookies(const base::ListValue* args);
 
   // The Cookies Tree model
   std::unique_ptr<CookiesTreeModel> cookies_tree_model_;
 
   // Flag to indicate whether there is a batch update in progress.
   bool batch_update_;
 
   std::unique_ptr<CookiesTreeModelUtil> model_util_;
 
+  // The callback ID for the current outstanding request.
+  std::string callback_id_;
+
   DISALLOW_COPY_AND_ASSIGN(CookiesViewHandler);
 };
 
 }  // namespace settings
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_COOKIES_VIEW_HANDLER_H_