Remove USE(GSTREAMER) and USE(WEBAUDIO_GSTREAMER) guards.

Source/core/platform/audio/FFTFrameStub.cpp

 /*
  * Copyright (C) 2011 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 11 matching lines @@
  * (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 stub implementation to avoid link errors during bringup
 
 #include "config.h"
 
 #if ENABLE(WEB_AUDIO)
 
-#if !OS(DARWIN) && !USE(WEBAUDIO_MKL) && !USE(WEBAUDIO_FFMPEG) && !USE(WEBAUDIO_GSTREAMER) && !USE(WEBAUDIO_IPP) && !USE(WEBAUDIO_OPENMAX_DL_FFT)
+#if !OS(DARWIN) && !USE(WEBAUDIO_MKL) && !USE(WEBAUDIO_FFMPEG) && !USE(WEBAUDIO_IPP) && !USE(WEBAUDIO_OPENMAX_DL_FFT)
 
 #include "FFTFrame.h"
 
 namespace WebCore {
 
 // Normal constructor: allocates for a given fftSize.
 FFTFrame::FFTFrame(unsigned /*fftSize*/)
     : m_FFTSize(0)
     , m_log2FFTSize(0)
 {
@@ skipping 52 matching lines @@
 }
 
 float* FFTFrame::imagData() const
 {
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 } // namespace WebCore
 
-#endif // !OS(DARWIN) && !USE(WEBAUDIO_MKL) && !USE(WEBAUDIO_FFMPEG) && !USE(WEBAUDIO_GSTREAMER) && !USE(WEBAUDIO_IPP)
+#endif // !OS(DARWIN) && !USE(WEBAUDIO_MKL) && !USE(WEBAUDIO_FFMPEG) && !USE(WEBAUDIO_IPP)
 
 #endif // ENABLE(WEB_AUDIO)