Adds support for WAI-ARIA role article....

webkit/glue/glue_accessibility_object.cc

 // Copyright (c) 2006-2009 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 "config.h"
 
 #include "AccessibilityObject.h"
 #include "EventHandler.h"
 #include "FrameView.h"
 #include "PlatformKeyboardEvent.h"
@@ skipping 357 matching lines @@
     case WebCore::LandmarkApplicationRole:
       return WebAccessibility::ROLE_APPLICATION;
     case WebCore::CellRole:
       return WebAccessibility::ROLE_CELL;
     case WebCore::CheckBoxRole:
       return WebAccessibility::ROLE_CHECKBUTTON;
     case WebCore::ColumnRole:
       return WebAccessibility::ROLE_COLUMN;
     case WebCore::ColumnHeaderRole:
       return WebAccessibility::ROLE_COLUMNHEADER;
+    case WebCore::DocumentArticleRole:
     case WebCore::WebAreaRole:
       return WebAccessibility::ROLE_DOCUMENT;
     case WebCore::ImageMapRole:
     case WebCore::ImageRole:
       return WebAccessibility::ROLE_GRAPHIC;
     case WebCore::DocumentRegionRole:
     case WebCore::RadioGroupRole:
     case WebCore::GroupRole:
       return WebAccessibility::ROLE_GROUPING;
     case WebCore::LinkRole:
@@ skipping 84 matching lines @@
   if (!obj)
     return NULL;
 
   GlueAccessibilityObject* result =
       static_cast<GlueAccessibilityObject*>(obj->wrapper());
   if (!result)
     result = CreateInstance(obj);
 
   return result;
 }