Implement 5 ARIA 1.1 roles: cell, feed, figure, table, term

ui/accessibility/ax_enums.idl

 // 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.
 
 // TODO(nektar): Migrate entire file to Mojoq.
 // These should be kept in sync with third_party/WebKit/public/web/WebAXEnums.h
 // until the Chromium and Blink trees are merged.
 [camel_case_enum_to_string=true] namespace ui {
 
   // For new entries to the following four enums, also add to
@@ skipping 97 matching lines @@
     description_list,
     description_list_term,
     desktop,
     details,
     dialog,
     directory,
     disclosure_triangle,
     div,
     document,
     embedded_object,
+    feed,
     figcaption,
     figure,
     footer,
     form,
     grid,
     group,
     heading,
     iframe,
     iframe_presentational,
     ignored,
@@ skipping 56 matching lines @@
     splitter,
     static_text,
     status,
     switch,
     tab_group,
     tab_list,
     tab_panel,
     tab,
     table_header_container,
     table,
+    term,
     text_field,
     time,
     timer,
     title_bar,
     toggle_button,
     toolbar,
     tree_grid,
     tree_item,
     tree,
     unknown,
@@ skipping 439 matching lines @@
     // First node is before the second one.
     before,
 
     // Nodes are the same.
     equal,
 
     // First node is after the second one.
     after
   };
 };