Remove FEC code from receive path.

net/quic/quic_protocol.cc

Index: net/quic/quic_protocol.cc
diff --git a/net/quic/quic_protocol.cc b/net/quic/quic_protocol.cc
index 7de88d77abfbdbeacfcb7c1229bb71fd920033f2..60bd559a5a1d52d412041cfe08991b6db1b6ca44 100644
--- a/net/quic/quic_protocol.cc
+++ b/net/quic/quic_protocol.cc
@@ -19,31 +19,20 @@ namespace net {
 const char* const kFinalOffsetHeaderKey = ":final-offset";
 
 size_t GetPacketHeaderSize(const QuicPacketHeader& header) {
-  return GetPacketHeaderSize(
-      header.public_header.connection_id_length,
-      header.public_header.version_flag, header.public_header.multipath_flag,
-      header.public_header.packet_number_length, header.is_in_fec_group);
+  return GetPacketHeaderSize(header.public_header.connection_id_length,
+                             header.public_header.version_flag,
+                             header.public_header.multipath_flag,
+                             header.public_header.packet_number_length);
 }
 
 size_t GetPacketHeaderSize(QuicConnectionIdLength connection_id_length,
                            bool include_version,
                            bool include_path_id,
-                           QuicPacketNumberLength packet_number_length,
-                           InFecGroup is_in_fec_group) {
+                           QuicPacketNumberLength packet_number_length) {
   return kPublicFlagsSize + connection_id_length +
          (include_version ? kQuicVersionSize : 0) +
          (include_path_id ? kQuicPathIdSize : 0) + packet_number_length +
-         kPrivateFlagsSize +
-         (is_in_fec_group == IN_FEC_GROUP ? kFecGroupSize : 0);
-}
-
-size_t GetStartOfFecProtectedData(QuicConnectionIdLength connection_id_length,
-                                  bool include_version,
-                                  bool include_path_id,
-                                  QuicPacketNumberLength packet_number_length) {
-  return GetPacketHeaderSize(connection_id_length, include_version,
-                             include_path_id, packet_number_length,
-                             IN_FEC_GROUP);
+         kPrivateFlagsSize;
 }
 
 size_t GetStartOfEncryptedData(QuicConnectionIdLength connection_id_length,
@@ -52,8 +41,7 @@ size_t GetStartOfEncryptedData(QuicConnectionIdLength connection_id_length,
                                QuicPacketNumberLength packet_number_length) {
   // Don't include the fec size, since encryption starts before private flags.
   return GetPacketHeaderSize(connection_id_length, include_version,
-                             include_path_id, packet_number_length,
-                             NOT_IN_FEC_GROUP) -
+                             include_path_id, packet_number_length) -
          kPrivateFlagsSize;
 }
 
@@ -702,13 +690,6 @@ QuicEncryptedPacket::QuicEncryptedPacket(char* buffer,
                                          bool owns_buffer)
     : QuicData(buffer, length, owns_buffer) {}
 
-StringPiece QuicPacket::FecProtectedData() const {
-  const size_t start_of_fec =
-      GetStartOfFecProtectedData(connection_id_length_, includes_version_,
-                                 includes_path_id_, packet_number_length_);
-  return StringPiece(data() + start_of_fec, length() - start_of_fec);
-}
-
 StringPiece QuicPacket::AssociatedData() const {
   return StringPiece(data(), GetStartOfEncryptedData(
                                  connection_id_length_, includes_version_,