Remove the WEB_AUDIO compile time flag

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

 /*
  * 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;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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 #include "modules/webaudio/AudioNodeOutput.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "modules/webaudio/AbstractAudioContext.h"
 #include "modules/webaudio/AudioNodeInput.h"
 #include "wtf/Threading.h"
 
 namespace blink {
 
 inline AudioNodeOutput::AudioNodeOutput(AudioHandler* handler, unsigned numberOfChannels)
     : m_handler(*handler)
     , m_numberOfChannels(numberOfChannels)
     , m_desiredNumberOfChannels(numberOfChannels)
@@ skipping 217 matching lines @@
 
     if (!m_isEnabled) {
         m_isEnabled = true;
         for (AudioNodeInput* i : m_inputs)
             i->enable(*this);
     }
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)