[WIP] Find LayoutSelection start/end w/o VisibleSelection.

third_party/WebKit/Source/core/editing/LayoutSelection.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * 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 LayoutSelection_h
 #define LayoutSelection_h
 
-#include "core/editing/Position.h"
-#include "core/editing/VisibleSelection.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
+class IntRect;
 class FrameSelection;
+class LayoutObject;
 
 // This class represents a selection range in layout tree for painting and
 // paint invalidation.
 // The current selection to be painted is represented as 2 pairs of
 // (LayoutObject, offset).
 // 2 LayoutObjects are only valid for |Text| node without 'transform' or
 // 'first-letter'.
 // TODO(editing-dev): Clarify the meaning of "offset".
 // editing/ passes them as offsets in the DOM tree but layout uses them as
 // offset in the layout tree. This doesn't work in the cases of
@@ skipping 68 matching lines @@
 
   Member<FrameSelection> frame_selection_;
   bool has_pending_selection_ : 1;
 
   SelectionPaintRange paint_range_;
 };
 
 }  // namespace blink
 
 #endif