Removing #ifdefs for WEB_AUDIO compile time flag.

Source/modules/webaudio/PeriodicWave.cpp

 /*
  * Copyright (C) 2012 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
@@ skipping 10 matching lines @@
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * 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.
  */
 
 #include "config.h"
 
-#if ENABLE(WEB_AUDIO)
-
 #include "modules/webaudio/PeriodicWave.h"
 
 #include "platform/audio/FFTFrame.h"
 #include "platform/audio/VectorMath.h"
 #include "modules/webaudio/OscillatorNode.h"
 #include <algorithm>
 
 const unsigned PeriodicWaveSize = 4096; // This must be a power of two.
 const unsigned NumberOfRanges = 36; // There should be 3 * log2(PeriodicWaveSize) 1/3 octave ranges.
 const float CentsPerRange = 1200 / 3; // 1/3 Octave.
@@ skipping 250 matching lines @@
         }
 
         realP[n] = 0;
         imagP[n] = b;
     }
 
     createBandLimitedTables(realP, imagP, halfSize);
 }
 
 } // namespace blink
-
-#endif // ENABLE(WEB_AUDIO)