Adds AXExpandedChanged for general roles.

content/renderer/accessibility/blink_ax_enum_conversion.cc

 // Copyright (c) 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 "content/renderer/accessibility/blink_ax_enum_conversion.h"
 
 #include "base/logging.h"
 
 namespace content {
 
@@ skipping 340 matching lines @@
     case blink::WebAXEventBlur:
       return ui::AX_EVENT_BLUR;
     case blink::WebAXEventCheckedStateChanged:
       return ui::AX_EVENT_CHECKED_STATE_CHANGED;
     case blink::WebAXEventChildrenChanged:
       return ui::AX_EVENT_CHILDREN_CHANGED;
     case blink::WebAXEventClicked:
       return ui::AX_EVENT_CLICKED;
     case blink::WebAXEventDocumentSelectionChanged:
       return ui::AX_EVENT_DOCUMENT_SELECTION_CHANGED;
+    case blink::WebAXEventExpandedChanged:
+      return ui::AX_EVENT_EXPANDED_CHANGED;
     case blink::WebAXEventFocus:
       return ui::AX_EVENT_FOCUS;
     case blink::WebAXEventHover:
       return ui::AX_EVENT_HOVER;
     case blink::WebAXEventInvalidStatusChanged:
       return ui::AX_EVENT_INVALID_STATUS_CHANGED;
     case blink::WebAXEventLayoutComplete:
       return ui::AX_EVENT_LAYOUT_COMPLETE;
     case blink::WebAXEventLiveRegionChanged:
       return ui::AX_EVENT_LIVE_REGION_CHANGED;
@@ skipping 144 matching lines @@
     case blink::WebAXDescriptionFromRelatedElement:
       return ui::AX_DESCRIPTION_FROM_RELATED_ELEMENT;
     default:
       NOTREACHED();
   }
 
   return ui::AX_DESCRIPTION_FROM_UNINITIALIZED;
 }
 
 }  // namespace content.