Make AX update layout on all frames

Source/core/accessibility/AXObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  *
  * 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 145 matching lines @@
 }
 
 AXObjectCache* AXObject::axObjectCache() const
 {
     Document* doc = document();
     if (doc)
         return doc->axObjectCache();
     return 0;
 }
 
-void AXObject::updateBackingStore()
-{
-    // Updating the layout may delete this object.
-    if (Document* document = this->document())
-        document->updateLayoutIgnorePendingStylesheets();
-}
-
 bool AXObject::isARIATextControl() const
 {
     return ariaRoleAttribute() == TextAreaRole || ariaRoleAttribute() == TextFieldRole;
 }
 
 bool AXObject::isButton() const
 {
     AccessibilityRole role = roleValue();
 
     return role == ButtonRole || role == PopUpButtonRole || role == ToggleButtonRole;
@@ skipping 714 matching lines @@
         return ToggleButtonRole;
     if (ariaHasPopup())
         return PopUpButtonRole;
     // We don't contemplate RadioButtonRole, as it depends on the input
     // type.
 
     return ButtonRole;
 }
 
 } // namespace WebCore