libvpx: Pull from upstream

source/libvpx/third_party/libyuv/include/libyuv/convert.h

 /*
  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 53 matching lines @@
              int width, int height);
 
 // Convert I400 (grey) to I420.
 LIBYUV_API
 int I400ToI420(const uint8* src_y, int src_stride_y,
                uint8* dst_y, int dst_stride_y,
                uint8* dst_u, int dst_stride_u,
                uint8* dst_v, int dst_stride_v,
                int width, int height);
 
+#define J400ToJ420 I400ToI420
+
 // Convert NV12 to I420.
 LIBYUV_API
 int NV12ToI420(const uint8* src_y, int src_stride_y,
                const uint8* src_uv, int src_stride_uv,
                uint8* dst_y, int dst_stride_y,
                uint8* dst_u, int dst_stride_u,
                uint8* dst_v, int dst_stride_v,
                int width, int height);
 
 // Convert NV21 to I420.
@@ skipping 150 matching lines @@
                   int crop_width, int crop_height,
                   enum RotationMode rotation,
                   uint32 format);
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif
 
 #endif  // INCLUDE_LIBYUV_CONVERT_H_  NOLINT