Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/modules/webaudio/BiquadDSPKernel.h

 /*
  * Copyright (C) 2010, 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 11 matching lines @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef BiquadDSPKernel_h
 #define BiquadDSPKernel_h
 
 #include "modules/webaudio/BiquadProcessor.h"
 #include "platform/audio/AudioDSPKernel.h"
 #include "platform/audio/Biquad.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 class BiquadProcessor;
 
 // BiquadDSPKernel is an AudioDSPKernel and is responsible for filtering one channel of a BiquadProcessor using a Biquad object.
 
 class BiquadDSPKernel final : public AudioDSPKernel {
 public:
     explicit BiquadDSPKernel(BiquadProcessor* processor)
         : AudioDSPKernel(processor)
@@ skipping 21 matching lines @@
     // Update the biquad cofficients with the given parameters
     void updateCoefficients(double frequency, double Q, double gain, double detune);
 
 private:
     // Synchronize process() with getting and setting the filter coefficients.
     mutable Mutex m_processLock;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // BiquadDSPKernel_h