Implemented IAccessible2 reverse relations.

third_party/WebKit/public/web/WebAXObject.h

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 187 matching lines @@
     // 1-based position in set & Size of set.
     BLINK_EXPORT int posInSet() const;
     BLINK_EXPORT int setSize() const;
 
     // Live regions.
     BLINK_EXPORT bool isInLiveRegion() const;
     BLINK_EXPORT bool liveRegionAtomic() const;
     BLINK_EXPORT bool liveRegionBusy() const;
     BLINK_EXPORT WebString liveRegionRelevant() const;
     BLINK_EXPORT WebString liveRegionStatus() const;
+    BLINK_EXPORT WebAXObject liveRegionRoot() const;
     BLINK_EXPORT bool containerLiveRegionAtomic() const;
     BLINK_EXPORT bool containerLiveRegionBusy() const;
     BLINK_EXPORT WebString containerLiveRegionRelevant() const;
     BLINK_EXPORT WebString containerLiveRegionStatus() const;
 
     BLINK_EXPORT bool supportsRangeValue() const;
     BLINK_EXPORT WebString valueDescription() const;
     BLINK_EXPORT float valueForRange() const;
     BLINK_EXPORT float maxValueForRange() const;
     BLINK_EXPORT float minValueForRange() const;
@@ skipping 87 matching lines @@
     operator AXObject*() const;
 #endif
 
 private:
     WebPrivatePtr<AXObject> m_private;
 };
 
 } // namespace blink
 
 #endif