libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_quantize.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.
  */
 
@@ skipping 50 matching lines @@
                                   tran_low_t *dqcoeff_ptr,
                                   const int16_t dequant_ptr,
                                   uint16_t *eob_ptr);
 #endif
 
 struct VP9_COMP;
 struct VP9Common;
 
 void vp9_frame_init_quantizer(struct VP9_COMP *cpi);
 
-void vp9_update_zbin_extra(struct VP9_COMP *cpi, MACROBLOCK *x);
-
 void vp9_init_plane_quantizers(struct VP9_COMP *cpi, MACROBLOCK *x);
 
 void vp9_init_quantizer(struct VP9_COMP *cpi);
 
 void vp9_set_quantizer(struct VP9Common *cm, int q);
 
 int vp9_quantizer_to_qindex(int quantizer);
 
 int vp9_qindex_to_quantizer(int qindex);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // VP9_ENCODER_VP9_QUANTIZE_H_