Removing #ifdefs for WEB_AUDIO compile time flag.

Source/platform/audio/AudioPullFIFO.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 "platform/audio/AudioPullFIFO.h"
 
 namespace blink {
 
 AudioPullFIFO::AudioPullFIFO(AudioSourceProvider& audioProvider, unsigned numberOfChannels, size_t fifoLength, size_t providerSize)
     : m_provider(audioProvider)
     , m_fifo(numberOfChannels, fifoLength)
     , m_providerSize(providerSize)
     , m_tempBus(AudioBus::create(numberOfChannels, providerSize))
 {
@@ skipping 21 matching lines @@
     while (framesProvided < numberOfFrames) {
         m_provider.provideInput(m_tempBus.get(), m_providerSize);
 
         m_fifo.push(m_tempBus.get());
 
         framesProvided += m_providerSize;
     }
 }
 
 } // namespace blink
-
-#endif // ENABLE(WEB_AUDIO)