Less strict checked state changes and introduce disabled state for content

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 46 matching lines @@
 
   if (o.isRequired())
     state |= (1 << ui::AX_STATE_REQUIRED);
 
   if (o.canSetSelectedAttribute())
     state |= (1 << ui::AX_STATE_SELECTABLE);
 
   if (o.isEditable())
     state |= (1 << ui::AX_STATE_EDITABLE);
 
-  if (o.isEnabled())
-    state |= (1 << ui::AX_STATE_ENABLED);
+  if (!o.isEnabled())
+    state |= (1 << ui::AX_STATE_DISABLED);
 
   if (o.isSelected())
     state |= (1 << ui::AX_STATE_SELECTED);
 
   if (o.isRichlyEditable())
     state |= (1 << ui::AX_STATE_RICHLY_EDITABLE);
 
   if (o.isVisited())
     state |= (1 << ui::AX_STATE_VISITED);
 
@@ skipping 466 matching lines @@
     case blink::WebAXDescriptionFromPlaceholder:
       return ui::AX_DESCRIPTION_FROM_PLACEHOLDER;
     case blink::WebAXDescriptionFromRelatedElement:
       return ui::AX_DESCRIPTION_FROM_RELATED_ELEMENT;
   }
   NOTREACHED();
   return ui::AX_DESCRIPTION_FROM_NONE;
 }
 
 }  // namespace content.