Removing #ifdefs for WEB_AUDIO compile time flag.

Source/platform/mediastream/MediaStreamCenter.cpp

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * 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.
@@ skipping 115 matching lines @@
 
 void MediaStreamCenter::didCreateMediaStreamTrack(MediaStreamComponent* track)
 {
     if (m_private)
         m_private->didCreateMediaStreamTrack(track);
 }
 
 PassOwnPtr<AudioSourceProvider> MediaStreamCenter::createWebAudioSourceFromMediaStreamTrack(MediaStreamComponent* track)
 {
     ASSERT_UNUSED(track, track);
-#if ENABLE(WEB_AUDIO)
     if (m_private)
         return MediaStreamWebAudioSource::create(adoptPtr(m_private->createWebAudioSourceFromMediaStreamTrack(track)));
-#endif
 
     return nullptr;
 }
 
 void MediaStreamCenter::stopLocalMediaStream(const blink::WebMediaStream& webStream)
 {
     MediaStreamDescriptor* stream = webStream;
     MediaStreamDescriptorClient* client = stream->client();
     if (client)
         client->streamEnded();
     else
         stream->setEnded();
 }
 
 } // namespace blink