Remove the WEB_AUDIO compile time flag

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

 /*
  * Copyright (C) 2012, 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 15 matching lines @@
 #define OscillatorNode_h
 
 #include "modules/webaudio/AudioParam.h"
 #include "modules/webaudio/AudioScheduledSourceNode.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;
 class ExceptionState;
 class PeriodicWave;
 
 // OscillatorNode is an audio generator of periodic waveforms.
 
 class OscillatorHandler final : public AudioScheduledSourceHandler {
 public:
@@ skipping 66 matching lines @@
 private:
     OscillatorNode(AbstractAudioContext&, float sampleRate);
     OscillatorHandler& oscillatorHandler() const;
 
     Member<AudioParam> m_frequency;
     Member<AudioParam> m_detune;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // OscillatorNode_h