CHUNK_SIZE_BYTES 400 third_party/libwebp/demux/demux.c if (memcmp(GetBuffer(mem), "RIFF", CHUNK_SIZE_BYTES) || CHUNK_SIZE_BYTES 401 third_party/libwebp/demux/demux.c memcmp(GetBuffer(mem) + CHUNK_HEADER_SIZE, "WEBP", CHUNK_SIZE_BYTES)) {