Removing "using" declarations that import names in the C++ Standard library.(Source/platform/[m* - …

Source/platform/transforms/MatrixTransformOperation.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. 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 "platform/transforms/MatrixTransformOperation.h"
 
 #include <algorithm>
 
-using namespace std;
-
 namespace blink {
 
 PassRefPtr<TransformOperation> MatrixTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity)
 {
     if (from && !from->isSameType(*this))
         return this;
 
     // convert the TransformOperations into matrices
     FloatSize size;
     TransformationMatrix fromT;
     TransformationMatrix toT(m_a, m_b, m_c, m_d, m_e, m_f);
     if (from) {
         const MatrixTransformOperation* m = static_cast<const MatrixTransformOperation*>(from);
         fromT.setMatrix(m->m_a, m->m_b, m->m_c, m->m_d, m->m_e, m->m_f);
     }
 
     if (blendToIdentity)
         std::swap(fromT, toT);
 
     toT.blend(fromT, progress);
     return MatrixTransformOperation::create(toT.a(), toT.b(), toT.c(), toT.d(), toT.e(), toT.f());
 }
 
 } // namespace blink