Eliminate unnecessary includes of LayoutBlockFlow-derived headers.

third_party/WebKit/Source/core/layout/svg/line/SVGRootInlineBox.h

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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 SVGRootInlineBox_h
 #define SVGRootInlineBox_h
 
-#include "core/layout/api/LineLayoutBlockFlow.h"
 #include "core/layout/line/RootInlineBox.h"
 
 namespace blink {
 
 class SVGRootInlineBox final : public RootInlineBox {
 public:
     SVGRootInlineBox(LineLayoutItem block)
         : RootInlineBox(block)
         , m_logicalHeight(0)
     {
@@ skipping 21 matching lines @@
 
 private:
     LayoutUnit m_logicalHeight;
 };
 
 DEFINE_INLINE_BOX_TYPE_CASTS(SVGRootInlineBox);
 
 } // namespace blink
 
 #endif // SVGRootInlineBox_h