Move SelectionState out of LayoutObject and into Line Layout API

Source/core/layout/line/InlineBox.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 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 InlineBox_h
 #define InlineBox_h
 
 #include "core/layout/LayoutBoxModelObject.h"
 #include "core/layout/LayoutObject.h"
+#include "core/layout/api/SelectionState.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
 #include "platform/text/TextDirection.h"
 
 namespace blink {
 
 class HitTestRequest;
 class HitTestResult;
 class RootInlineBox;
 
 enum MarkLineBoxes { MarkLineBoxesDirty, DontMarkLineBoxes };
@@ skipping 207 matching lines @@
     int caretLeftmostOffset() const { return isLeftToRightDirection() ? caretMinOffset() : caretMaxOffset(); }
     int caretRightmostOffset() const { return isLeftToRightDirection() ? caretMaxOffset() : caretMinOffset(); }
 
     virtual void clearTruncation() { }
 
     bool isDirty() const { return m_bitfields.dirty(); }
     virtual void markDirty() { m_bitfields.setDirty(true); }
 
     virtual void dirtyLineBoxes();
 
-    virtual LayoutObject::SelectionState selectionState() const;
+    virtual SelectionState selectionState() const;
 
     virtual bool canAccommodateEllipsis(bool ltr, int blockEdge, int ellipsisWidth) const;
     // visibleLeftEdge, visibleRightEdge are in the parent's coordinate system.
     virtual LayoutUnit placeEllipsisBox(bool ltr, LayoutUnit visibleLeftEdge, LayoutUnit visibleRightEdge, LayoutUnit ellipsisWidth, LayoutUnit &truncatedWidth, bool&);
 
 #if ENABLE(ASSERT)
     void setHasBadParent();
 #endif
 
     int expansion() const { return m_bitfields.expansion(); }
@@ skipping 171 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::InlineBox*);
 void showLineTree(const blink::InlineBox*);
 #endif
 
 #endif // InlineBox_h