Add a button to clear local storage for a given origin to Website Settings dialog.

chrome/browser/ui/webui/options/website_settings_handler.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_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 48 matching lines @@
   // |args| is the name of the setting and the new value.
   void HandleSetOriginPermission(const base::ListValue* args);
 
   // Update the page with all origins that are using local storage.
   void HandleUpdateLocalStorage(const base::ListValue* args);
 
   // Show the single site edit view if the given URL is valid.
   // |args| is the URL.
   void HandleMaybeShowEditPage(const base::ListValue* args);
 
+  // Deletes the local storage and repopulates the page.
+  void HandleDeleteLocalStorage(const base::ListValue* args);
+
+  // Closes all tabs and app windows which have the same origin as the selected
+  // page.
+  void HandleStopOrigin(const base::ListValue* args);
+
   // Callback method to be invoked when fetching the data is complete.
   void OnLocalStorageFetched(const LocalStorageList& storage);
 
   // Get all origins with Content Settings for the last given content setting,
   // filter them by |last_filter_|, and update the page.
   void UpdateOrigins();
 
   // Get all origins with local storage usage, filter them by |last_filter_|,
   // and update the page.
   void UpdateLocalStorage();
 
+  // Kill all tabs and app windows which have the same origin as |site_url|.
+  void StopOrigin(const GURL& site_url);
+
+  // Delete all of the local storage for the |site_url|.
+  void DeleteLocalStorage(const GURL& site_url);
+
   // Populates the single site edit view with the permissions and local storage
-  // usage for a given |site_url|.
-  void GetInfoForOrigin(const GURL& site_url);
+  // usage for a given |site_url|. If |show_page| is true, it raises a new
+  // single site edit view.
+  void GetInfoForOrigin(const GURL& site_url, bool show_page);
 
   // Updates the page with the last settings used.
   void Update();
 
   std::string last_setting_;
   std::string last_filter_;
   GURL last_site_;
   scoped_refptr<BrowsingDataLocalStorageHelper> local_storage_;
   LocalStorageList local_storage_list_;
 
   // Observer to watch for content settings changes.
   ScopedObserver<HostContentSettingsMap, content_settings::Observer> observer_;
 
   base::WeakPtrFactory<WebsiteSettingsHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebsiteSettingsHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_WEBSITE_SETTINGS_HANDLER_H_