Remove ~1750 superfluous includes from core

Source/core/rendering/svg/SVGTextMetrics.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010-2012. 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 "config.h"
 
 #include "core/rendering/svg/SVGTextMetrics.h"
 
-#include "core/platform/graphics/WidthIterator.h"
 #include "core/rendering/svg/RenderSVGInlineText.h"
 #include "core/rendering/svg/SVGTextRunRenderingContext.h"
 
 namespace WebCore {
 
 SVGTextMetrics::SVGTextMetrics()
     : m_width(0)
     , m_height(0)
     , m_length(0)
 {
@@ skipping 73 matching lines @@
     if (needsContext) {
         m_glyph.isValid = true;
         m_glyph.unicodeString = String(text->characters() + position, length);
         m_glyph.name = glyphName;
     }
 
     m_length = length;
 }
 
 }