Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/platform/audio/DynamicsCompressorKernel.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
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 #include "platform/audio/DynamicsCompressorKernel.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "platform/audio/AudioUtilities.h"
 #include "platform/audio/DenormalDisabler.h"
 #include "wtf/MathExtras.h"
 #include <algorithm>
 #include <cmath>
 
 namespace blink {
 
 using namespace AudioUtilities;
 
@@ skipping 422 matching lines @@
         m_preDelayBuffers[i]->zero();
 
     m_preDelayReadIndex = 0;
     m_preDelayWriteIndex = DefaultPreDelayFrames;
 
     m_maxAttackCompressionDiffDb = -1; // uninitialized state
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)