Remove assorted unnecessary includes in core/layout/

third_party/WebKit/Source/core/layout/BidiRun.h

 /**
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  *
  * 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 BidiRun_h
 #define BidiRun_h
 
-#include "core/layout/LayoutText.h"
 #include "core/layout/api/LineLayoutItem.h"
 #include "platform/text/BidiResolver.h"
-#include "wtf/StdLibExtras.h"
 
 namespace blink {
 
 class BidiContext;
 class InlineBox;
 
 struct BidiRun : BidiCharacterRun {
     BidiRun(int start, int stop, LineLayoutItem lineLayoutItem, BidiContext* context, WTF::Unicode::CharDirection dir)
         : BidiCharacterRun(start, stop, context, dir)
         , m_lineLayoutItem(lineLayoutItem)
         , m_box(nullptr)
     {
         // Stored in base class to save space.
         m_hasHyphen = false;
     }
 
     BidiRun* next() { return static_cast<BidiRun*>(m_next); }
 
 public:
     LineLayoutItem m_lineLayoutItem;
     InlineBox* m_box;
 };
 
 } // namespace blink
 
 #endif // BidiRun_h