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Removed unused function vp8_treed_read_num

Change-Id: Id66e70540ee7345876f099139887c1843093907f

--- a/vp8/decoder/treereader.h

+++ b/vp8/decoder/treereader.h

@@ -38,27 +38,4 @@

     return -i;

 }

-

-/* Variant reads a binary number given distributions on each bit.

-   Note that tree is arbitrary; probability of decoding a zero

-   may or may not depend on previously decoded bits. */

-

-static int vp8_treed_read_num(

-    vp8_reader *const r,        /* !!! must return a 0 or 1 !!! */

-    vp8_tree t,

-    const vp8_prob *const p

-)

-{

-    vp8_tree_index i = 0;

-    int v = 0, b;

-

-    do

-    {

-        b = vp8_read(r, p[i>>1]);

-        v = (v << 1) + b;

-    }

-    while ((i = t[i+b]) > 0);

-

-    return v;

-}

 #endif /* tree_reader_h */

-- 

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