Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/platform/audio/EqualPowerPanner.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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 #ifndef EqualPowerPanner_h
 #define EqualPowerPanner_h
 
 #include "platform/audio/Panner.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 // Common type of stereo panner as found in normal audio mixing equipment.
 
 class PLATFORM_EXPORT EqualPowerPanner final : public Panner {
 public:
     EqualPowerPanner(float sampleRate);
 
     void pan(double azimuth, double elevation, const AudioBus* inputBus, AudioBus* outputBuf, size_t framesToProcess) override;
 
     void reset() override { m_isFirstRender = true; }
 
     double tailTime() const override { return 0; }
     double latencyTime() const override { return 0; }
 
 private:
     // For smoothing / de-zippering
     bool m_isFirstRender;
     double m_smoothingConstant;
 
     double m_gainL;
     double m_gainR;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // EqualPowerPanner_h