Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.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 17 matching lines @@
 #include "modules/webaudio/AudioBuffer.h"
 #include "modules/webaudio/AudioParam.h"
 #include "modules/webaudio/AudioScheduledSourceNode.h"
 #include "modules/webaudio/PannerNode.h"
 #include "platform/audio/AudioBus.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Threading.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 class AbstractAudioContext;
 
 // AudioBufferSourceNode is an AudioNode representing an audio source from an in-memory audio asset represented by an AudioBuffer.
 // It generally will be used for short sounds which require a high degree of scheduling flexibility (can playback in rhythmically perfect ways).
 
 class AudioBufferSourceHandler final : public AudioScheduledSourceHandler {
 public:
     static PassRefPtr<AudioBufferSourceHandler> create(AudioNode&, float sampleRate, AudioParamHandler& playbackRate, AudioParamHandler& detune);
@@ skipping 134 matching lines @@
 
 private:
     AudioBufferSourceNode(AbstractAudioContext&, float sampleRate);
 
     Member<AudioParam> m_playbackRate;
     Member<AudioParam> m_detune;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // AudioBufferSourceNode_h