libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_mvref_common.h

 /*
  *  Copyright (c) 2012 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.
  */
 
 #include "vp9/common/vp9_onyxc_int.h"
 #include "vp9/common/vp9_blockd.h"
 
 #ifndef VP9_COMMON_VP9_MVREF_COMMON_H_
 #define VP9_COMMON_VP9_MVREF_COMMON_H_
 
-void vp9_find_mv_refs_idx(VP9_COMMON *cm,
-                          MACROBLOCKD *xd,
-                          MODE_INFO *here,
-                          MODE_INFO *lf_here,
+void vp9_find_mv_refs_idx(const VP9_COMMON *cm, const MACROBLOCKD *xd,
+                          MODE_INFO *mi, const MODE_INFO *prev_mi,
                           MV_REFERENCE_FRAME ref_frame,
                           int_mv *mv_ref_list,
-                          int *ref_sign_bias,
-                          int block_idx);
+                          int block_idx,
+                          int mi_row, int mi_col);
 
-static INLINE void vp9_find_mv_refs(VP9_COMMON *cm,
-                                    MACROBLOCKD *xd,
-                                    MODE_INFO *here,
-                                    MODE_INFO *lf_here,
+static INLINE void vp9_find_mv_refs(const VP9_COMMON *cm, const MACROBLOCKD *xd,
+                                    MODE_INFO *mi, const MODE_INFO *prev_mi,
                                     MV_REFERENCE_FRAME ref_frame,
                                     int_mv *mv_ref_list,
-                                    int *ref_sign_bias) {
-  vp9_find_mv_refs_idx(cm, xd, here, lf_here, ref_frame,
-                       mv_ref_list, ref_sign_bias, -1);
+                                    int mi_row, int mi_col) {
+  vp9_find_mv_refs_idx(cm, xd, mi, prev_mi, ref_frame,
+                       mv_ref_list, -1, mi_row, mi_col);
 }
 
 #endif  // VP9_COMMON_VP9_MVREF_COMMON_H_