Remove redundancies of multiply() in FFTFrame.

Source/platform/audio/android/FFTFrameOpenMAXDLAndroid.cpp

 /* Copyright (C) 2013 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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
 
 #include "config.h"
 
 #if ENABLE(WEB_AUDIO)
 
 #if OS(ANDROID) && USE(WEBAUDIO_OPENMAX_DL_FFT)
 
 #include "platform/audio/FFTFrame.h"
 
 #include "platform/audio/AudioArray.h"
-#include "platform/audio/VectorMath.h"
 #include "wtf/MathExtras.h"
 #include <dl/sp/api/armSP.h>
 #include <dl/sp/api/omxSP.h>
 
 namespace WebCore {
 
 #if !ASSERT_DISABLED
 const unsigned kMaxFFTPow2Size = 15;
 #endif
 
@@ skipping 51 matching lines @@
 }
 
 FFTFrame::~FFTFrame()
 {
     if (m_forwardContext)
         free(m_forwardContext);
     if (m_inverseContext)
         free(m_inverseContext);
 }
 
-void FFTFrame::multiply(const FFTFrame& frame)
-{
-    FFTFrame& frame1 = *this;
-    FFTFrame& frame2 = const_cast<FFTFrame&>(frame);
-
-    float* realP1 = frame1.realData();
-    float* imagP1 = frame1.imagData();
-    const float* realP2 = frame2.realData();
-    const float* imagP2 = frame2.imagData();
-
-    unsigned halfSize = fftSize() / 2;
-    float real0 = realP1[0];
-    float imag0 = imagP1[0];
-
-    VectorMath::zvmul(realP1, imagP1, realP2, imagP2, realP1, imagP1, halfSize);
-
-    // Multiply the packed DC/nyquist component
-    realP1[0] = real0 * realP2[0];
-    imagP1[0] = imag0 * imagP2[0];
-}
-
 void FFTFrame::doFFT(const float* data)
 {
     ASSERT(m_forwardContext);
 
     if (m_forwardContext) {
         AudioFloatArray complexFFT(m_FFTSize + 2);
 
         omxSP_FFTFwd_RToCCS_F32(data, complexFFT.data(), m_forwardContext);
 
         unsigned len = m_FFTSize / 2;
@@ skipping 63 matching lines @@
     }
 
     return 0;
 }
 
 } // namespace WebCore
 
 #endif // #if OS(ANDROID) && !USE(WEBAUDIO_OPENMAX_DL_FFT)
 
 #endif // ENABLE(WEB_AUDIO)