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

trunk/src/media/base/simd/convert_yuva_to_argb_mmx.asm

Index: trunk/src/media/base/simd/convert_yuva_to_argb_mmx.asm
===================================================================
--- trunk/src/media/base/simd/convert_yuva_to_argb_mmx.asm	(revision 194468)
+++ trunk/src/media/base/simd/convert_yuva_to_argb_mmx.asm	(working copy)
@@ -1,23 +0,0 @@
-; Copyright (c) 2011 The Chromium Authors. All rights reserved.
-; Use of this source code is governed by a BSD-style license that can be
-; found in the LICENSE file.
-
-%include "third_party/x86inc/x86inc.asm"
-
-;
-; This file uses MMX instructions.
-;
-  SECTION_TEXT
-  CPU       MMX
-
-; Use movq to save the output.
-%define MOVQ movq
-
-; extern "C" void ConvertYUVAToARGBRow_MMX(const uint8* y_buf,
-;                                          const uint8* u_buf,
-;                                          const uint8* v_buf,
-;                                          const uint8* a_buf,
-;                                          uint8* rgb_buf,
-;                                          ptrdiff_t width);
-%define SYMBOL ConvertYUVAToARGBRow_MMX
-%include "convert_yuva_to_argb_mmx.inc"