Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/modules/webaudio/AudioNode.cpp

 /*
  * 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
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  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
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  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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 #include "modules/webaudio/AudioNode.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/inspector/InstanceCounters.h"
 #include "modules/webaudio/AbstractAudioContext.h"
 #include "modules/webaudio/AudioNodeInput.h"
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "modules/webaudio/AudioParam.h"
 #include "wtf/Atomics.h"
 #include "wtf/MainThread.h"
 
@@ skipping 897 matching lines @@
 void AudioNode::didAddOutput(unsigned numberOfOutputs)
 {
     m_connectedNodes.append(nullptr);
     ASSERT_UNUSED(numberOfOutputs, numberOfOutputs == m_connectedNodes.size());
     m_connectedParams.append(nullptr);
     ASSERT_UNUSED(numberOfOutputs, numberOfOutputs == m_connectedParams.size());
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)