Delete media/base/yuv_convert and dependents. Prefer libyuv.

media/base/simd/filter_yuv.h

-// 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.
-
-#ifndef MEDIA_BASE_SIMD_FILTER_YUV_H_
-#define MEDIA_BASE_SIMD_FILTER_YUV_H_
-
-#include <stdint.h>
-
-#include "media/base/media_export.h"
-
-namespace media {
-
-// These methods are exported for testing purposes only.  Library users should
-// only call the methods listed in yuv_convert.h.
-
-MEDIA_EXPORT void FilterYUVRows_C(uint8_t* ybuf,
-                                  const uint8_t* y0_ptr,
-                                  const uint8_t* y1_ptr,
-                                  int source_width,
-                                  uint8_t source_y_fraction);
-
-MEDIA_EXPORT void FilterYUVRows_SSE2(uint8_t* ybuf,
-                                     const uint8_t* y0_ptr,
-                                     const uint8_t* y1_ptr,
-                                     int source_width,
-                                     uint8_t source_y_fraction);
-
-}  // namespace media
-
-#endif  // MEDIA_BASE_SIMD_FILTER_YUV_H_