Implemented IAccessible2 reverse relations.

ui/accessibility/ax_node_data.cc

 // Copyright 2013 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 "ui/accessibility/ax_node_data.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 418 matching lines @@
         result += " name_from=" + ui::ToString(
             static_cast<ui::AXNameFrom>(int_attributes[i].second));
         break;
       case AX_ATTR_DESCRIPTION_FROM:
         result += " description_from=" + ui::ToString(
             static_cast<ui::AXDescriptionFrom>(int_attributes[i].second));
         break;
       case AX_ATTR_ACTIVEDESCENDANT_ID:
         result += " activedescendant=" + value;
         break;
+      case AX_ATTR_MEMBER_OF_ID:
+        result += " member_of_id=" + value;
+        break;
       case AX_ATTR_NEXT_ON_LINE_ID:
         result += " next_on_line_id=" + value;
         break;
       case AX_ATTR_PREVIOUS_ON_LINE_ID:
         result += " previous_on_line_id=" + value;
         break;
       case AX_ATTR_CHILD_TREE_ID:
         result += " child_tree_id=" + value;
         break;
       case AX_ATTR_COLOR_VALUE:
@@ skipping 286 matching lines @@
     }
   }
 
   if (!child_ids.empty())
     result += " child_ids=" + IntVectorToString(child_ids);
 
   return result;
 }
 
 }  // namespace ui