Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.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 18 matching lines @@
 #include "platform/heap/Handle.h"
 #include "wtf/HashSet.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/ThreadSafeRefCounted.h"
 #include "wtf/Threading.h"
 #include "wtf/ThreadingPrimitives.h"
 #include "wtf/Vector.h"
 #include "wtf/build_config.h"
 
-#if ENABLE(WEB_AUDIO)
-
 namespace blink {
 
 class AbstractAudioContext;
 class OfflineAudioContext;
 class AudioHandler;
 class AudioNodeOutput;
 class AudioSummingJunction;
 
 // DeferredTaskHandler manages the major part of pre- and post- rendering tasks,
 // and provides a lock mechanism against the audio rendering graph. A
@@ skipping 137 matching lines @@
     Vector<RefPtr<AudioHandler>> m_renderingOrphanHandlers;
     Vector<RefPtr<AudioHandler>> m_deletableOrphanHandlers;
 
     // Graph locking.
     RecursiveMutex m_contextGraphMutex;
     volatile ThreadIdentifier m_audioThread;
 };
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)
-
 #endif // DeferredTaskHandler_h