Expose InlineTextBoxes in the accessibility tree.

Source/core/rendering/RenderText.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef RenderText_h
 #define RenderText_h
 
 #include "core/rendering/RenderObject.h"
 #include "wtf/Forward.h"
+#include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
+class AbstractInlineTextBox;
 class InlineTextBox;
 
 class RenderText : public RenderObject {
 public:
     // FIXME: If the node argument is not a Text node or the string argument is
     // not the content of the Text node, updating text-transform property
     // doesn't re-transform the string.
     RenderText(Node*, PassRefPtr<StringImpl>, RenderObjectType = RenderNoneObjectType, unsigned renderBaseObjectTypes = RenderNoneBaseObjectType);
 #ifndef NDEBUG
     virtual ~RenderText();
@@ skipping 94 matching lines @@
 
     void checkConsistency() const;
 
     bool isAllCollapsibleWhitespace() const;
 
     bool canUseSimpleFontCodePath() const { return m_canUseSimpleFontCodePath; }
     bool knownToHaveNoOverflowAndNoFallbackFonts() const { return m_knownToHaveNoOverflowAndNoFallbackFonts; }
 
     void removeAndDestroyTextBoxes();
 
+    PassRefPtr<AbstractInlineTextBox> firstAbstractInlineTextBox();
+
 protected:
     virtual void computePreferredLogicalWidths(float leadWidth);
     virtual void willBeDestroyed();
 
     virtual void styleWillChange(StyleDifference, const RenderStyle*) OVERRIDE FINAL { }
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
 
     virtual void setTextInternal(PassRefPtr<StringImpl>);
     virtual UChar previousCharacter() const;
 
@@ skipping 84 matching lines @@
 inline void RenderText::checkConsistency() const
 {
 }
 #endif
 
 void applyTextTransform(const RenderStyle*, String&, UChar);
 
 } // namespace WebCore
 
 #endif // RenderText_h