[OTS] Integrate WOFF 2.0 algorithm into OTS

test/ot-sanitise.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // A very simple driver program while sanitises the file given as argv[1] and
 // writes the sanitised version to stdout.
 
 #include <fcntl.h>
 #include <sys/stat.h>
 #if defined(_WIN32)
@@ skipping 20 matching lines @@
   std::fprintf(stderr, "Usage: %s ttf_file > dest_ttf_file\n", argv0);
   return 1;
 }
 
 }  // namespace
 
 int main(int argc, char **argv) {
   if (argc != 2) return Usage(argv[0]);
   if (::isatty(1)) return Usage(argv[0]);
 
+  ots::EnableWOFF2();
+
   const int fd = ::open(argv[1], O_RDONLY | ADDITIONAL_OPEN_FLAGS);
   if (fd < 0) {
     ::perror("open");
     return 1;
   }
 
   struct stat st;
   ::fstat(fd, &st);
 
   uint8_t *data = new uint8_t[st.st_size];
   if (::read(fd, data, st.st_size) != st.st_size) {
     ::perror("read");
     return 1;
   }
   ::close(fd);
 
   ots::FILEStream output(stdout);
 #if defined(_WIN32)
   ::setmode(fileno(stdout), O_BINARY);
 #endif
   const bool result = ots::Process(&output, data, st.st_size);
 
   if (!result) {
     std::fprintf(stderr, "Failed to sanitise file!\n");
   }
   return !result;
 }