Remove EncryptionLevel from QUIC's RetransmittableFrames and add it to TransmissionInfo. No functi…

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 6705a762d302e1956360de9fb34b20effaec6fae..593a914a5a9f318d6ab83827703d3513ace72ee5 100644
--- a/net/quic/quic_protocol.cc
+++ b/net/quic/quic_protocol.cc
@@ -697,10 +697,8 @@ StringPiece QuicPacket::Plaintext() const {
                      length() - start_of_encrypted_data);
 }
 
-RetransmittableFrames::RetransmittableFrames(EncryptionLevel level)
-    : encryption_level_(level),
-      has_crypto_handshake_(NOT_HANDSHAKE),
-      needs_padding_(false) {
+RetransmittableFrames::RetransmittableFrames()
+    : has_crypto_handshake_(NOT_HANDSHAKE), needs_padding_(false) {
   // TODO(ianswett): Consider using an inlined vector instead, since this
   // is very frequently a single frame.
   frames_.reserve(2);
@@ -844,6 +842,7 @@ ostream& operator<<(ostream& os, const QuicEncryptedPacket& s) {
 
 TransmissionInfo::TransmissionInfo()
     : retransmittable_frames(nullptr),
+      encryption_level(ENCRYPTION_NONE),
       packet_number_length(PACKET_1BYTE_PACKET_NUMBER),
       bytes_sent(0),
       nack_count(0),
@@ -857,12 +856,14 @@ TransmissionInfo::TransmissionInfo()
 
 TransmissionInfo::TransmissionInfo(
     RetransmittableFrames* retransmittable_frames,
+    EncryptionLevel level,
     QuicPacketNumberLength packet_number_length,
     TransmissionType transmission_type,
     QuicTime sent_time,
     QuicPacketLength bytes_sent,
     bool is_fec_packet)
     : retransmittable_frames(retransmittable_frames),
+      encryption_level(level),
       packet_number_length(packet_number_length),
       bytes_sent(bytes_sent),
       nack_count(0),