Remove the WEB_AUDIO compile time flag

third_party/WebKit/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
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  *
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  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
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  *     documentation and/or other materials provided with the distribution.
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  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
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 #include "modules/webaudio/PeriodicWave.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "modules/webaudio/OscillatorNode.h"
 #include "platform/audio/FFTFrame.h"
 #include "platform/audio/VectorMath.h"
 #include <algorithm>
 
 namespace blink {
 
 // The number of bands per octave.  Each octave will have this many entries in the wave tables.
 const unsigned kNumberOfOctaveBands = 3;
 
@@ skipping 267 matching lines @@
 
         realP[n] = 0;
         imagP[n] = b;
     }
 
     createBandLimitedTables(realP, imagP, halfSize, false);
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)