libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_tile_common.h

 /*
  *  Copyright (c) 2010 The WebM 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.
  */
 
 #ifndef VP9_COMMON_VP9_TILE_COMMON_H_
 #define VP9_COMMON_VP9_TILE_COMMON_H_
 
-#include "vp9/common/vp9_onyxc_int.h"
+struct VP9Common;
 
-void vp9_get_tile_col_offsets(VP9_COMMON *cm, int tile_col_idx);
+typedef struct TileInfo {
+  int mi_row_start, mi_row_end;
+  int mi_col_start, mi_col_end;
+} TileInfo;
 
-void vp9_get_tile_row_offsets(VP9_COMMON *cm, int tile_row_idx);
+// initializes 'tile->mi_(row|col)_(start|end)' for (row_idx, col_idx) based on
+// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
+void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm,
+                   int row_idx, int col_idx);
 
 void vp9_get_tile_n_bits(int mi_cols,
                          int *min_log2_tile_cols, int *max_log2_tile_cols);
 
 #endif  // VP9_COMMON_VP9_TILE_COMMON_H_