In QUIC, remove num_padding_bytes from SerializedPacket and TransmissionInfo.

(n/a) remove unused variables.

PiperOrigin-RevId: 318153506
Change-Id: I8ef247da549280754eb76b1249ec65757f4c36f8
diff --git a/quic/core/quic_transmission_info.cc b/quic/core/quic_transmission_info.cc
index 163ba38..a27b769 100644
--- a/quic/core/quic_transmission_info.cc
+++ b/quic/core/quic_transmission_info.cc
@@ -13,24 +13,20 @@
       transmission_type(NOT_RETRANSMISSION),
       in_flight(false),
       state(OUTSTANDING),
-      has_crypto_handshake(false),
-      num_padding_bytes(0) {}
+      has_crypto_handshake(false) {}
 
-QuicTransmissionInfo::QuicTransmissionInfo(
-    EncryptionLevel level,
-    TransmissionType transmission_type,
-    QuicTime sent_time,
-    QuicPacketLength bytes_sent,
-    bool has_crypto_handshake,
-    int num_padding_bytes)
+QuicTransmissionInfo::QuicTransmissionInfo(EncryptionLevel level,
+                                           TransmissionType transmission_type,
+                                           QuicTime sent_time,
+                                           QuicPacketLength bytes_sent,
+                                           bool has_crypto_handshake)
     : encryption_level(level),
       bytes_sent(bytes_sent),
       sent_time(sent_time),
       transmission_type(transmission_type),
       in_flight(false),
       state(OUTSTANDING),
-      has_crypto_handshake(has_crypto_handshake),
-      num_padding_bytes(num_padding_bytes) {}
+      has_crypto_handshake(has_crypto_handshake) {}
 
 QuicTransmissionInfo::QuicTransmissionInfo(const QuicTransmissionInfo& other) =
     default;