Remove duplicated headers from modules/

Source/modules/webaudio/PeriodicWave.cpp

 /*
  * Copyright (C) 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:
  *
  * 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
@@ skipping 17 matching lines @@
 
 #include "config.h"
 
 #if ENABLE(WEB_AUDIO)
 
 #include "modules/webaudio/PeriodicWave.h"
 
 #include "platform/audio/FFTFrame.h"
 #include "platform/audio/VectorMath.h"
 #include "modules/webaudio/OscillatorNode.h"
-#include "wtf/OwnPtr.h"
 #include <algorithm>
 
 const unsigned PeriodicWaveSize = 4096; // This must be a power of two.
 const unsigned NumberOfRanges = 36; // There should be 3 * log2(PeriodicWaveSize) 1/3 octave ranges.
 const float CentsPerRange = 1200 / 3; // 1/3 Octave.
 
 namespace WebCore {
 
 using namespace VectorMath;
 
@@ skipping 226 matching lines @@
         realP[n] = a;
         imagP[n] = b;
     }
 
     createBandLimitedTables(realP, imagP, halfSize);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)