Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/platform/audio/AudioPullFIFO.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
@@ skipping 16 matching lines @@
  */
 
 #ifndef AudioPullFIFO_h
 #define AudioPullFIFO_h
 
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioFIFO.h"
 #include "platform/audio/AudioSourceProvider.h"
 #include "wtf/Allocator.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 // A FIFO (First In First Out) buffer to handle mismatches in buffer sizes between a provider and
 // receiver. The receiver will "pull" data from this FIFO. If data is already available in the
 // FIFO, it is provided to the receiver. If insufficient data is available to satisfy the request,
 // the FIFO will ask the provider for more data when necessary to fulfill a request. Contrast this
 // with a "push" FIFO, where the sender pushes data to the FIFO which will itself push the data to
 // the receiver when the FIFO is full.
 class PLATFORM_EXPORT AudioPullFIFO {
     USING_FAST_MALLOC(AudioPullFIFO);
@@ skipping 20 matching lines @@
 
     // Number of frames of data that the provider will produce per call.
     unsigned m_providerSize;
 
     // Temporary workspace to hold the data from the provider.
     RefPtr<AudioBus> m_tempBus;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // AudioPullFIFO.h