Removing sz member from vpx_codec_priv.

Change-Id: I811526a9ee9f237604f72abe7fc677e39e0f457f

vp8/vp8_cx_iface.c

@@ -635,7 +635,6 @@ static vpx_codec_err_t vp8e_init(vpx_codec_ctx_t *ctx,
         }
 
         ctx->priv = (vpx_codec_priv_t *)priv;
-        ctx->priv->sz = sizeof(*priv);
         ctx->priv->init_flags = ctx->init_flags;
 
         if (ctx->config.enc)

vp8/vp8_dx_iface.c

@@ -84,7 +84,6 @@ static void vp8_init_ctx(vpx_codec_ctx_t *ctx)
         (vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv));
 
     ctx->priv = (vpx_codec_priv_t *)priv;
-    ctx->priv->sz = sizeof(*priv);
     ctx->priv->init_flags = ctx->init_flags;
 
     priv->si.sz = sizeof(priv->si);

vp9/vp9_cx_iface.c

@@ -670,7 +670,6 @@ static vpx_codec_err_t encoder_init(vpx_codec_ctx_t *ctx,
       return VPX_CODEC_MEM_ERROR;
 
     ctx->priv = (vpx_codec_priv_t *)priv;
-    ctx->priv->sz = sizeof(*priv);
     ctx->priv->init_flags = ctx->init_flags;
     ctx->priv->enc.total_encoders = 1;
 

vp9/vp9_dx_iface.c

@@ -63,7 +63,6 @@ static vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx,
       return VPX_CODEC_MEM_ERROR;
 
     ctx->priv = (vpx_codec_priv_t *)priv;
-    ctx->priv->sz = sizeof(*priv);
     ctx->priv->init_flags = ctx->init_flags;
 
     priv->si.sz = sizeof(priv->si);

vpx/internal/vpx_codec_internal.h

@@ -335,7 +335,6 @@ typedef struct vpx_codec_priv_cb_pair {
  * and the pointer cast to the proper type.
  */
 struct vpx_codec_priv {
-  unsigned int                    sz;
   const char                     *err_detail;
   vpx_codec_flags_t               init_flags;
   struct {