blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/layout/line/EllipsisBox.h

 /**
  * Copyright (C) 2003, 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 EllipsisBox_h
 #define EllipsisBox_h
 
 #include "core/layout/api/SelectionState.h"
 #include "core/layout/line/InlineBox.h"
 
 namespace blink {
 
-class HitTestRequest;
 class HitTestResult;
 
 class EllipsisBox final : public InlineBox {
  public:
   EllipsisBox(LineLayoutItem item,
               const AtomicString& ellipsisStr,
               InlineFlowBox* parent,
               LayoutUnit width,
               int height,
               int x,
@@ skipping 39 matching lines @@
 
  private:
   int m_height;
   AtomicString m_str;
   SelectionState m_selectionState;
 };
 
 }  // namespace blink
 
 #endif  // EllipsisBox_h