Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/modules/webaudio/RealtimeAnalyser.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 13 matching lines @@
 
 #ifndef RealtimeAnalyser_h
 #define RealtimeAnalyser_h
 
 #include "core/dom/DOMTypedArray.h"
 #include "platform/audio/AudioArray.h"
 #include "platform/audio/FFTFrame.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 class AudioBus;
 
 class RealtimeAnalyser final {
     WTF_MAKE_NONCOPYABLE(RealtimeAnalyser);
     DISALLOW_NEW();
 public:
     RealtimeAnalyser();
 
@@ skipping 44 matching lines @@
     // A value between 0 and 1 which averages the previous version of m_magnitudeBuffer with the current analysis magnitude data.
     double m_smoothingTimeConstant;
 
     // The range used when converting when using getByteFrequencyData().
     double m_minDecibels;
     double m_maxDecibels;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // RealtimeAnalyser_h