Removing #ifdefs for WEB_AUDIO compile time flag.

Source/platform/audio/ipp/FFTFrameIPP.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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.
@@ skipping 11 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 // FFTFrame implementation using Intel IPP's DFT algorithm,
 // suitable for use on Linux.
 
 #include "config.h"
 
-#if ENABLE(WEB_AUDIO)
-
 #if USE(WEBAUDIO_IPP)
 
 #include "platform/audio/FFTFrame.h"
 
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 const unsigned maximumFFTPower2Size = 24;
 
@@ skipping 88 matching lines @@
     Ipp32f* imagP = m_imagData.data();
     Ipp32fc* complexP = reinterpret_cast<Ipp32fc*>(m_complexData.data());
     ippsRealToCplx_32f(realP, imagP, complexP, len);
 
     return const_cast<float*>(m_complexData.data());
 }
 
 } // namespace blink
 
 #endif // USE(WEBAUDIO_IPP)
-
-#endif // ENABLE(WEB_AUDIO)