Expose setSequentialFocusNavigationStartingPoint to accessibility.

third_party/WebKit/Source/modules/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 945 matching lines @@
   // needed.
   void scrollToMakeVisible() const;
   // Same, but if the whole object can't be made visible, try for this subrect,
   // in local coordinates.
   void scrollToMakeVisibleWithSubFocus(const IntRect&) const;
   // Scroll this object to a given point in global coordinates of the top-level
   // window.
   void scrollToGlobalPoint(const IntPoint&) const;
   virtual void setFocused(bool) {}
   virtual void setSelected(bool) {}
+  virtual void setSequentialFocusNavigationStartingPoint();
   virtual void setValue(const String&) {}
   virtual void setValue(float) {}
 
   // Notifications that this object may have changed.
   virtual void childrenChanged() {}
   virtual void handleActiveDescendantChanged() {}
   virtual void handleAriaExpandedChanged() {}
   void notifyIfIgnoredValueChanged();
   virtual void selectionChanged();
   virtual void textChanged() {}
@@ skipping 89 matching lines @@
   static unsigned s_numberOfLiveAXObjects;
 };
 
 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate)           \
   DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, \
                     object.predicate)
 
 }  // namespace blink
 
 #endif  // AXObject_h