ClearHuffmanTreeIfOnlyOneSymbol  330 third_party/libwebp/enc/vp8l.c   ClearHuffmanTreeIfOnlyOneSymbol(&huffman_code);
ClearHuffmanTreeIfOnlyOneSymbol  498 third_party/libwebp/enc/vp8l.c     ClearHuffmanTreeIfOnlyOneSymbol(codes);
ClearHuffmanTreeIfOnlyOneSymbol  607 third_party/libwebp/enc/vp8l.c       ClearHuffmanTreeIfOnlyOneSymbol(codes);