Reports the position of the caret and current selection in content editables.

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.
 
 // 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 three enums, also add to
   // chrome/common/extensions/api/automation.idl.
@@ skipping 250 matching lines @@
 
   [cpp_enum_prefix_override="ax_attr"] enum AXIntAttribute {
     // Scrollable container attributes.
     scroll_x,
     scroll_x_min,
     scroll_x_max,
     scroll_y,
     scroll_y_min,
     scroll_y_max,
 
-    // Editable text attributes.
+    // Attributes for retrieving the endpoints of a selection.
+    anchor_object_id,
+    anchor_offset,
+    focus_object_id,
+    focus_offset,
+    // Deprecated.
     text_sel_start,
     text_sel_end,
 
     // Table attributes.
     table_row_count,
     table_column_count,
     table_header_id,
 
     // Table row attributes.
     table_row_index,
@@ skipping 159 matching lines @@
   };
 
   [cpp_enum_prefix_override="ax"] enum AXSortDirection {
     sort_direction_unsorted,
     sort_direction_ascending,
     sort_direction_descending,
     sort_direction_other
   };
 
 };