Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/platform/audio/ReverbInputBuffer.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
@@ skipping 16 matching lines @@
  */
 
 #ifndef ReverbInputBuffer_h
 #define ReverbInputBuffer_h
 
 #include "platform/PlatformExport.h"
 #include "platform/audio/AudioArray.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 // ReverbInputBuffer is used to buffer input samples for deferred processing by the background threads.
 class PLATFORM_EXPORT ReverbInputBuffer {
     DISALLOW_NEW();
     WTF_MAKE_NONCOPYABLE(ReverbInputBuffer);
 public:
     ReverbInputBuffer(size_t length);
 
     // The realtime audio thread keeps writing samples here.
@@ skipping 12 matching lines @@
 
     void reset();
 
 private:
     AudioFloatArray m_buffer;
     size_t m_writeIndex;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // ReverbInputBuffer_h