QUIC: retransmit packets with the correct encryption.

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 faa5c787569031b865a2a00f27569d3044186934..27f980fa8be371a37df18c533f3fcb6b7f4477a3 100644
--- a/net/quic/quic_protocol.cc
+++ b/net/quic/quic_protocol.cc
@@ -274,7 +274,9 @@ StringPiece QuicPacket::Plaintext() const {
                      length() - start_of_encrypted_data);
 }
 
-RetransmittableFrames::RetransmittableFrames() {}
+RetransmittableFrames::RetransmittableFrames()
+    : encryption_level_(NUM_ENCRYPTION_LEVELS) {
+}
 
 RetransmittableFrames::~RetransmittableFrames() {
   for (QuicFrames::iterator it = frames_.begin(); it != frames_.end(); ++it) {
@@ -326,6 +328,10 @@ const QuicFrame& RetransmittableFrames::AddNonStreamFrame(
   return frames_.back();
 }
 
+void RetransmittableFrames::set_encryption_level(EncryptionLevel level) {
+  encryption_level_ = level;
+}
+
 ostream& operator<<(ostream& os, const QuicEncryptedPacket& s) {
   os << s.length() << "-byte data";
   return os;