Revert 194465 "media: Add support for playback for VP8 Alpha vid..."

trunk/src/media/base/simd/convert_yuv_to_rgb_x86.cc

Index: trunk/src/media/base/simd/convert_yuv_to_rgb_x86.cc
===================================================================
--- trunk/src/media/base/simd/convert_yuv_to_rgb_x86.cc	(revision 194468)
+++ trunk/src/media/base/simd/convert_yuv_to_rgb_x86.cc	(working copy)
@@ -40,37 +40,6 @@
   EmptyRegisterState();
 }
 
-void ConvertYUVAToARGB_MMX(const uint8* yplane,
-                           const uint8* uplane,
-                           const uint8* vplane,
-                           const uint8* aplane,
-                           uint8* rgbframe,
-                           int width,
-                           int height,
-                           int ystride,
-                           int uvstride,
-                           int astride,
-                           int rgbstride,
-                           YUVType yuv_type) {
-  unsigned int y_shift = yuv_type;
-  for (int y = 0; y < height; ++y) {
-    uint8* rgb_row = rgbframe + y * rgbstride;
-    const uint8* y_ptr = yplane + y * ystride;
-    const uint8* u_ptr = uplane + (y >> y_shift) * uvstride;
-    const uint8* v_ptr = vplane + (y >> y_shift) * uvstride;
-    const uint8* a_ptr = aplane + y * astride;
-
-    ConvertYUVAToARGBRow_MMX(y_ptr,
-                             u_ptr,
-                             v_ptr,
-                             a_ptr,
-                             rgb_row,
-                             width);
-  }
-
-  EmptyRegisterState();
-}
-
 void ConvertYUVToRGB32_SSE(const uint8* yplane,
                            const uint8* uplane,
                            const uint8* vplane,