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

Source/modules/webaudio/WaveShaperDSPKernel.cpp

 /*
  * Copyright (C) 2011, 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:
  * 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 16 matching lines @@
 #if ENABLE(WEB_AUDIO)
 
 #include "modules/webaudio/WaveShaperDSPKernel.h"
 
 #include "wtf/MainThread.h"
 #include "wtf/Threading.h"
 #include <algorithm>
 
 const unsigned RenderingQuantum = 128;
 
-using namespace std;
-
 namespace WebCore {
 
 WaveShaperDSPKernel::WaveShaperDSPKernel(WaveShaperProcessor* processor)
     : AudioDSPKernel(processor)
 {
     if (processor->oversample() != WaveShaperProcessor::OverSampleNone)
         lazyInitializeOversampling();
 }
 
 void WaveShaperDSPKernel::lazyInitializeOversampling()
@@ skipping 153 matching lines @@
     default:
         ASSERT_NOT_REACHED();
     }
 
     return static_cast<double>(latencyFrames) / sampleRate();
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)