Move `browsingData` extension API out of experimental.

chrome/common/extensions/extension_permission_set.cc

 // 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.
 
 #include "chrome/common/extensions/extension_permission_set.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 193 matching lines @@
   info->RegisterPermission(
       kAppNotifications, "appNotifications", 0,
       ExtensionPermissionMessage::kNone, kFlagNone,
       kTypeHostedApp | kTypePackagedApp);
 
   // Register extension permissions.
   info->RegisterPermission(
       kBookmark, "bookmarks", IDS_EXTENSION_PROMPT_WARNING_BOOKMARKS,
       ExtensionPermissionMessage::kBookmarks, kFlagNone, kTypeDefault);
   info->RegisterPermission(
+      kBrowsingData, "browsingData", 0,
+      ExtensionPermissionMessage::kNone, kFlagNone, kTypeDefault);
+  info->RegisterPermission(
       kContentSettings, "contentSettings",
       IDS_EXTENSION_PROMPT_WARNING_CONTENT_SETTINGS,
       ExtensionPermissionMessage::kContentSettings, kFlagNone, kTypeDefault);
   info->RegisterPermission(
       kContextMenus, "contextMenus", 0,
       ExtensionPermissionMessage::kNone, kFlagNone, kTypeDefault);
   info->RegisterPermission(
       kCookie, "cookies", 0,
       ExtensionPermissionMessage::kNone, kFlagNone,
       kTypeDefault - kTypePlatformApp);
@@ skipping 695 matching lines @@
   std::set<std::string> new_hosts_set(GetDistinctHosts(new_list, false, false));
   std::set<std::string> old_hosts_set(GetDistinctHosts(old_list, false, false));
   std::set<std::string> new_hosts_only;
 
   std::set_difference(new_hosts_set.begin(), new_hosts_set.end(),
                       old_hosts_set.begin(), old_hosts_set.end(),
                       std::inserter(new_hosts_only, new_hosts_only.begin()));
 
   return !new_hosts_only.empty();
 }