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

Source/core/css/StylePropertySerializer.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Research In Motion Limited. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. 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.
@@ skipping 11 matching lines @@
 
 #include "config.h"
 #include "core/css/StylePropertySerializer.h"
 
 #include "core/CSSValueKeywords.h"
 #include "core/StylePropertyShorthand.h"
 #include "core/css/RuntimeCSSEnabled.h"
 #include "wtf/BitArray.h"
 #include "wtf/text/StringBuilder.h"
 
-using namespace std;
-
 namespace WebCore {
 
 static bool isInitialOrInherit(const String& value)
 {
     DEFINE_STATIC_LOCAL(String, initial, ("initial"));
     DEFINE_STATIC_LOCAL(String, inherit, ("inherit"));
     return value.length() == 7 && (value == initial || value == inherit);
 }
 
 StylePropertySerializer::StylePropertySerializer(const StylePropertySet& properties)
@@ skipping 432 matching lines @@
     const unsigned size = shorthand.length();
     // Begin by collecting the properties into an array.
     WillBeHeapVector<RefPtrWillBeMember<CSSValue> > values(size);
     size_t numLayers = 0;
 
     for (unsigned i = 0; i < size; ++i) {
         values[i] = m_propertySet.getPropertyCSSValue(shorthand.properties()[i]);
         if (values[i]) {
             if (values[i]->isBaseValueList()) {
                 CSSValueList* valueList = toCSSValueList(values[i].get());
-                numLayers = max(valueList->length(), numLayers);
-            } else
-                numLayers = max<size_t>(1U, numLayers);
+                numLayers = std::max(valueList->length(), numLayers);
+            } else {
+                numLayers = std::max<size_t>(1U, numLayers);
+            }
         }
     }
 
     String commonValue;
     bool commonValueInitialized = false;
 
     // Now stitch the properties together. Implicit initial values are flagged as such and
     // can safely be omitted.
     for (size_t i = 0; i < numLayers; i++) {
         StringBuilder layerResult;
@@ skipping 365 matching lines @@
             isInitialValue = false;
         if (!value->isInheritedValue())
             isInheritedValue = false;
         if (isImportant != m_propertySet.propertyIsImportant(shorthand.properties()[i]))
             return false;
     }
     return isInitialValue || isInheritedValue;
 }
 
 }