Remove the WEB_AUDIO compile time flag

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

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
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 #include "modules/webaudio/BiquadDSPKernel.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "platform/FloatConversion.h"
 #include "wtf/Vector.h"
 #include <limits.h>
 
 namespace blink {
 
 // FIXME: As a recursive linear filter, depending on its parameters, a biquad filter can have
 // an infinite tailTime. In practice, Biquad filters do not usually (except for very high resonance values)
 // have a tailTime of longer than approx. 200ms. This value could possibly be calculated based on the
 // settings of the Biquad.
@@ skipping 143 matching lines @@
     return MaxBiquadDelayTime;
 }
 
 double BiquadDSPKernel::latencyTime() const
 {
     return 0;
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)