Return table headers from the table cell level.

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 194 matching lines @@
     // For a table column
     BLINK_EXPORT unsigned columnIndex() const;
     BLINK_EXPORT WebAXObject columnHeader() const;
 
     // For a table cell
     BLINK_EXPORT unsigned cellColumnIndex() const;
     BLINK_EXPORT unsigned cellColumnSpan() const;
     BLINK_EXPORT unsigned cellRowIndex() const;
     BLINK_EXPORT unsigned cellRowSpan() const;
     BLINK_EXPORT WebAXSortDirection sortDirection() const;
+    BLINK_EXPORT void rowHeadersForCell(WebVector<WebAXObject>&) const;
+    BLINK_EXPORT void columnHeadersForCell(WebVector<WebAXObject>&) const;
 
     // Load inline text boxes for just this subtree, even if
     // settings->inlineTextBoxAccessibilityEnabled() is false.
     BLINK_EXPORT void loadInlineTextBoxes() const;
 
     // For an inline text box.
     BLINK_EXPORT WebAXTextDirection textDirection() const;
     BLINK_EXPORT void characterOffsets(WebVector<int>&) const;
     BLINK_EXPORT void wordBoundaries(WebVector<int>& starts, WebVector<int>& ends) const;
 
@@ skipping 10 matching lines @@
     operator WTF::PassRefPtr<AXObject>() const;
 #endif
 
 private:
     WebPrivatePtr<AXObject> m_private;
 };
 
 } // namespace blink
 
 #endif