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

Source/modules/websockets/MainThreadWebSocketChannel.cpp

 /*
  * Copyright (C) 2011, 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 37 matching lines @@
 #include "platform/Logging.h"
 #include "platform/network/SocketStreamError.h"
 #include "platform/network/SocketStreamHandle.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/FastMalloc.h"
 #include "wtf/HashMap.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/text/StringHash.h"
 #include "wtf/text/WTFString.h"
 
-using namespace std;
-
 namespace WebCore {
 
 const double TCPMaximumSegmentLifetime = 2 * 60.0;
 
 MainThreadWebSocketChannel::MainThreadWebSocketChannel(Document* document, WebSocketChannelClient* client, const String& sourceURL, unsigned lineNumber)
     : m_document(document)
     , m_client(client)
     , m_resumeTimer(this, &MainThreadWebSocketChannel::resumeTimerFired)
     , m_suspended(false)
     , m_didFailOfClientAlreadyRun(false)
@@ skipping 804 matching lines @@
 {
     visitor->trace(m_document);
     visitor->trace(m_client);
     visitor->trace(m_handshake);
     visitor->trace(m_handle);
     WebSocketChannel::trace(visitor);
     SocketStreamHandleClient::trace(visitor);
 }
 
 } // namespace WebCore