Move SelectionState out of LayoutObject and into Line Layout API

Source/core/layout/line/InlineTextBox.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 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 InlineTextBox_h
 #define InlineTextBox_h
 
 #include "core/layout/LayoutText.h" // so textLayoutObject() can be inline
+#include "core/layout/api/SelectionState.h"
 #include "core/layout/line/InlineBox.h"
 #include "platform/text/TextRun.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class DocumentMarker;
 class GraphicsContext;
 
 const unsigned short cNoTruncation = USHRT_MAX;
@@ skipping 78 matching lines @@
 protected:
     void paint(const PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) override;
     bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom) override;
 
 private:
     void deleteLine() final;
     void extractLine() final;
     void attachLine() final;
 
 public:
-    LayoutObject::SelectionState selectionState() const final;
+    SelectionState selectionState() const final;
 
 private:
     void clearTruncation() final { m_truncation = cNoTruncation; }
     LayoutUnit placeEllipsisBox(bool flowIsLTR, LayoutUnit visibleLeftEdge, LayoutUnit visibleRightEdge, LayoutUnit ellipsisWidth, LayoutUnit &truncatedWidth, bool& foundBox) final;
 
 public:
     bool isLineBreak() const final;
 
     void setExpansion(int newExpansion)
     {
@@ skipping 39 matching lines @@
     }
 };
 
 DEFINE_INLINE_BOX_TYPE_CASTS(InlineTextBox);
 
 void alignSelectionRectToDevicePixels(LayoutRect&);
 
 } // namespace blink
 
 #endif // InlineTextBox_h