Remove assorted unnecessary includes in core/layout/

third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngineBaseline.cpp

 /*
  * 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.
  */
 
 #include "core/layout/svg/SVGTextLayoutEngineBaseline.h"
 
-#include "core/layout/LayoutObject.h"
-#include "core/layout/svg/SVGTextMetrics.h"
 #include "core/style/SVGComputedStyle.h"
 #include "core/svg/SVGLengthContext.h"
 #include "platform/fonts/Font.h"
-#include "platform/text/UnicodeRange.h"
 
 namespace blink {
 
 SVGTextLayoutEngineBaseline::SVGTextLayoutEngineBaseline(const Font& font, float effectiveZoom)
     : m_font(font)
     , m_effectiveZoom(effectiveZoom)
 {
     ASSERT(m_effectiveZoom);
 }
 
@@ skipping 103 matching lines @@
     case AB_MATHEMATICAL:
         return ascent / 2;
     case AB_BASELINE:
     default:
         ASSERT_NOT_REACHED();
         return 0;
     }
 }
 
 } // namespace blink