Make AX update layout on all frames

Source/core/accessibility/AXObject.h

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 275 matching lines @@
 
     // When the corresponding WebCore object that this AXObject
     // wraps is deleted, it must be detached.
     virtual void detach();
     virtual bool isDetached() const;
 
     // The AXObjectCache that owns this object, and its unique ID within this cache.
     AXObjectCache* axObjectCache() const;
     AXID axObjectID() const { return m_id; }
 
-    // Lays out the page so that the accessibility tree is based on up-to-date information.
-    void updateBackingStore();
-
     // Determine subclass type.
     virtual bool isAXNodeObject() const { return false; }
     virtual bool isAXRenderObject() const { return false; }
     virtual bool isAXScrollbar() const { return false; }
     virtual bool isAXScrollView() const { return false; }
     virtual bool isAXSVGRoot() const { return false; }
 
     // Check object role or purpose.
     virtual AccessibilityRole roleValue() const { return m_role; }
     bool isARIATextControl() const;
@@ skipping 267 matching lines @@
 
     bool m_detached;
 };
 
 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, object.predicate)
 
 } // namespace WebCore
 
 #endif // AXObject_h