HashChainInit     293 third_party/libwebp/enc/backward_references.c   if (!HashChainInit(hash_chain, pix_count)) goto Error;
HashChainInit     499 third_party/libwebp/enc/backward_references.c   if (!HashChainInit(hash_chain, pix_count)) goto Error;
HashChainInit     639 third_party/libwebp/enc/backward_references.c   if (hash_chain == NULL || !HashChainInit(hash_chain, pix_count)) {