Removing using declarations that import names in the C++ Standard library.

Source/core/css/CSSReflectValue.cpp

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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 "core/css/CSSReflectValue.h"
 
 #include "core/css/CSSPrimitiveValue.h"
 
-using namespace std;
-
 namespace WebCore {
 
 String CSSReflectValue::customCSSText() const
 {
     if (m_mask)
         return m_direction->cssText() + ' ' + m_offset->cssText() + ' ' + m_mask->cssText();
     return m_direction->cssText() + ' ' + m_offset->cssText();
 }
 
 bool CSSReflectValue::equals(const CSSReflectValue& other) const
 {
     return m_direction == other.m_direction
         && compareCSSValuePtr(m_offset, other.m_offset)
         && compareCSSValuePtr(m_mask, other.m_mask);
 }
 
 void CSSReflectValue::traceAfterDispatch(Visitor* visitor)
 {
     visitor->trace(m_direction);
     visitor->trace(m_offset);
     visitor->trace(m_mask);
     CSSValue::traceAfterDispatch(visitor);
 }
 
 } // namespace WebCore