libvpx: Pull from upstream

source/config/nacl/vp8_rtcd.h

 #ifndef VP8_RTCD_H_
 #define VP8_RTCD_H_
 
 #ifdef RTCD_C
 #define RTCD_EXTERN
 #else
 #define RTCD_EXTERN extern
 #endif
 
 /*
@@ skipping 170 matching lines @@
 
 void vp8_sixtap_predict4x4_c(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
 #define vp8_sixtap_predict4x4 vp8_sixtap_predict4x4_c
 
 void vp8_sixtap_predict8x4_c(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
 #define vp8_sixtap_predict8x4 vp8_sixtap_predict8x4_c
 
 void vp8_sixtap_predict8x8_c(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
 #define vp8_sixtap_predict8x8 vp8_sixtap_predict8x8_c
 
-unsigned int vp8_sub_pixel_mse16x16_c(const unsigned char  *src_ptr, int  source_stride, int  xoffset, int  yoffset, const unsigned char *ref_ptr, int Refstride, unsigned int *sse);
-#define vp8_sub_pixel_mse16x16 vp8_sub_pixel_mse16x16_c
-
 unsigned int vp8_sub_pixel_variance16x16_c(const unsigned char  *src_ptr, int  source_stride, int  xoffset, int  yoffset, const unsigned char *ref_ptr, int Refstride, unsigned int *sse);
 #define vp8_sub_pixel_variance16x16 vp8_sub_pixel_variance16x16_c
 
 unsigned int vp8_sub_pixel_variance16x8_c(const unsigned char  *src_ptr, int  source_stride, int  xoffset, int  yoffset, const unsigned char *ref_ptr, int Refstride, unsigned int *sse);
 #define vp8_sub_pixel_variance16x8 vp8_sub_pixel_variance16x8_c
 
 unsigned int vp8_sub_pixel_variance4x4_c(const unsigned char  *src_ptr, int  source_stride, int  xoffset, int  yoffset, const unsigned char *ref_ptr, int Refstride, unsigned int *sse);
 #define vp8_sub_pixel_variance4x4 vp8_sub_pixel_variance4x4_c
 
 unsigned int vp8_sub_pixel_variance8x16_c(const unsigned char  *src_ptr, int  source_stride, int  xoffset, int  yoffset, const unsigned char *ref_ptr, int Refstride, unsigned int *sse);
@@ skipping 28 matching lines @@
 static void setup_rtcd_internal(void)
 {
 }
 #endif
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif