Update woff2 to 2bc6acf

third_party/woff2/src/woff2_enc.cc

Index: third_party/woff2/src/woff2_enc.cc
diff --git a/third_party/woff2/src/woff2_enc.cc b/third_party/woff2/src/woff2_enc.cc
index 920c614fcc1f4b4926d13e0e5149b43efcbe851b..48878b5f7e3100ca9973094f6e1623b67a12a38d 100644
--- a/third_party/woff2/src/woff2_enc.cc
+++ b/third_party/woff2/src/woff2_enc.cc
@@ -23,7 +23,7 @@
 #include <string>
 #include <vector>
 
-#include "./encode.h"
+#include "./compressor.h"
 #include "./buffer.h"
 #include "./font.h"
 #include "./normalize.h"
@@ -148,14 +148,6 @@ size_t ComputeWoff2Length(const FontCollection& font_collection,
   return size;
 }
 
-size_t ComputeTTFLength(const std::vector<Table>& tables) {
-  size_t size = 12 + 16 * tables.size();  // sfnt header
-  for (const auto& table : tables) {
-    size += Round4(table.src_length);
-  }
-  return size;
-}
-
 size_t ComputeUncompressedLength(const Font& font) {
   // sfnt header + offset table
   size_t size = 12 + 16 * font.num_tables;