Remove duplicated headers

Source/web/WebFontImpl.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "WebFontImpl.h"
 
 #include <skia/ext/platform_canvas.h>
 #include "WebFontDescription.h"
 #include "WebTextRun.h"
-#include "core/platform/graphics/Font.h"
 #include "core/platform/graphics/FontCache.h"
 #include "core/platform/graphics/GraphicsContext.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/graphics/TextRun.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebFloatRect.h"
 #include "public/platform/WebRect.h"
 
 using namespace WebCore;
 
@@ skipping 73 matching lines @@
     return m_font.offsetForPosition(run, position, true);
 }
 
 WebFloatRect WebFontImpl::selectionRectForText(const WebTextRun& run, const WebFloatPoint& leftBaseline, int height, int from, int to) const
 {
     FontCachePurgePreventer fontCachePurgePreventer;
     return m_font.selectionRectForText(run, leftBaseline, height, from, to);
 }
 
 } // namespace blink