Skip a few "using namespace" that we don't really need.

third_party/WebKit/Source/core/html/parser/TextResourceDecoder.cpp

 /*
     Copyright (C) 1999 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All
     rights reserved.
     Copyright (C) 2005, 2006, 2007 Alexey Proskuryakov (ap@nypop.com)
 
     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 13 matching lines @@
 
 #include "core/HTMLNames.h"
 #include "core/dom/DOMImplementation.h"
 #include "core/html/parser/HTMLMetaCharsetParser.h"
 #include "platform/Language.h"
 #include "platform/text/TextEncodingDetector.h"
 #include "wtf/StringExtras.h"
 #include "wtf/text/TextCodec.h"
 #include "wtf/text/TextEncodingRegistry.h"
 
-using namespace WTF;
-
 namespace blink {
 
 using namespace HTMLNames;
 
 const int minimumLengthOfXMLDeclaration = 8;
 
 static inline bool bytesEqual(const char* p,
                               char b0,
                               char b1,
                               char b2,
@@ skipping 432 matching lines @@
                            m_hintLanguage, &detectedEncoding))
       setEncoding(detectedEncoding, EncodingFromContentSniffing);
   }
 
   ASSERT(m_encoding.isValid());
 
   if (!m_codec)
     m_codec = newTextCodec(m_encoding);
 
   String result = m_codec->decode(
-      dataForDecode, lengthForDecode, DoNotFlush,
+      dataForDecode, lengthForDecode, WTF::DoNotFlush,
       m_contentType == XMLContent && !m_useLenientXMLDecoding, m_sawError);
 
   m_buffer.clear();
   return result;
 }
 
 String TextResourceDecoder::flush() {
   // If we can not identify the encoding even after a document is completely
   // loaded, we need to detect the encoding if other conditions for
   // autodetection is satisfied.
   if (m_buffer.size() && shouldAutoDetect() &&
       ((!m_checkedForXMLCharset &&
         (m_contentType == HTMLContent || m_contentType == XMLContent)) ||
        (!m_checkedForCSSCharset && (m_contentType == CSSContent)))) {
     WTF::TextEncoding detectedEncoding;
     if (detectTextEncoding(m_buffer.data(), m_buffer.size(), m_hintEncoding,
                            m_hintUrl.data(), m_hintLanguage, &detectedEncoding))
       setEncoding(detectedEncoding, EncodingFromContentSniffing);
   }
 
   if (!m_codec)
     m_codec = newTextCodec(m_encoding);
 
   String result = m_codec->decode(
-      m_buffer.data(), m_buffer.size(), FetchEOF,
+      m_buffer.data(), m_buffer.size(), WTF::FetchEOF,
       m_contentType == XMLContent && !m_useLenientXMLDecoding, m_sawError);
   m_buffer.clear();
   m_codec.reset();
   m_checkedForBOM = false;  // Skip BOM again when re-decoding.
   return result;
 }
 
 }  // namespace blink