Clean up SVGNames usage in core/rendering

Source/core/rendering/HitTestLocation.cpp

 /*
  * Copyright (C) 2006, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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/HitTestLocation.h"
 
-#include "HTMLNames.h"
-#include "SVGNames.h"
-#include "XLinkNames.h"
-
 namespace WebCore {
 
-using namespace HTMLNames;
-
 HitTestLocation::HitTestLocation()
     : m_isRectBased(false)
     , m_isRectilinear(true)
 {
 }
 
 HitTestLocation::HitTestLocation(const LayoutPoint& point)
     : m_point(point)
     , m_boundingBox(rectForPoint(point, 0, 0, 0, 0))
     , m_transformedPoint(point)
@@ skipping 122 matching lines @@
 
     IntSize actualPadding(leftPadding + rightPadding, topPadding + bottomPadding);
     // As IntRect is left inclusive and right exclusive (seeing IntRect::contains(x, y)), adding "1".
     // FIXME: Remove this once non-rect based hit-detection stops using IntRect:intersects.
     actualPadding += IntSize(1, 1);
 
     return IntRect(actualPoint, actualPadding);
 }
 
 } // namespace WebCore