Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/platform/audio/AudioDSPKernelProcessor.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #ifndef AudioDSPKernelProcessor_h
 #define AudioDSPKernelProcessor_h
 
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioProcessor.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/ThreadingPrimitives.h"
 #include "wtf/Vector.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 class AudioBus;
 class AudioDSPKernel;
 class AudioProcessor;
 
 // AudioDSPKernelProcessor processes one input -> one output (N channels each)
 // It uses one AudioDSPKernel object per channel to do the processing, thus there is no cross-channel processing.
 // Despite this limitation it turns out to be a very common and useful type of processor.
 
@@ skipping 18 matching lines @@
     double latencyTime() const override;
 
 protected:
     Vector<OwnPtr<AudioDSPKernel>> m_kernels;
     mutable Mutex m_processLock;
     bool m_hasJustReset;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // AudioDSPKernelProcessor_h