Merge 87856

Source/WebCore/accessibility/AccessibilityObject.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 565 matching lines @@
     bool accessibilityIgnoreAttachment() const;
     // gives platforms the opportunity to indicate if and how an object should be included
     AccessibilityObjectInclusion accessibilityPlatformIncludesObject() const;
 #else
     bool accessibilityIgnoreAttachment() const { return true; }
     AccessibilityObjectInclusion accessibilityPlatformIncludesObject() const { return DefaultBehavior; }
 #endif
 
     // allows for an AccessibilityObject to update its render tree or perform
     // other operations update type operations
-    virtual void updateBackingStore() { }
+    void updateBackingStore();
     
 protected:
     AXID m_id;
     AccessibilityChildrenVector m_children;
     mutable bool m_haveChildren;
     AccessibilityRole m_role;
     
     virtual void clearChildren();
     virtual bool isDetached() const { return true; }
     
@@ skipping 12 matching lines @@
 #elif PLATFORM(GTK)
     AtkObject* m_wrapper;
 #elif PLATFORM(CHROMIUM)
     RefPtr<AccessibilityObjectWrapper> m_wrapper;
 #endif
 };
 
 } // namespace WebCore
 
 #endif // AccessibilityObject_h