relnote: Minor QUIC code cleanups. No functional change.

net/quic/quic_framer.cc

Index: net/quic/quic_framer.cc
diff --git a/net/quic/quic_framer.cc b/net/quic/quic_framer.cc
index 208dd81f344650b32737d1b8b9dc1745fd707763..c01b7f29234dd908d113f958acccc3092d51c4cf 100644
--- a/net/quic/quic_framer.cc
+++ b/net/quic/quic_framer.cc
@@ -173,7 +173,6 @@ size_t QuicFramer::GetMinStreamFrameSize(QuicStreamId stream_id,
 
 // static
 size_t QuicFramer::GetMinAckFrameSize(
-    QuicSequenceNumberLength sequence_number_length,
     QuicSequenceNumberLength largest_observed_length) {
   return kQuicFrameTypeSize + kQuicEntropyHashSize +
       largest_observed_length + kQuicDeltaTimeLargestObservedSize;
@@ -301,9 +300,9 @@ size_t QuicFramer::GetSerializedFrameLength(
   if (!first_frame) {
     return 0;
   }
-  bool can_truncate = frame.type == ACK_FRAME &&
-      free_bytes >= GetMinAckFrameSize(PACKET_6BYTE_SEQUENCE_NUMBER,
-                                       PACKET_6BYTE_SEQUENCE_NUMBER);
+  bool can_truncate =
+      frame.type == ACK_FRAME &&
+      free_bytes >= GetMinAckFrameSize(PACKET_6BYTE_SEQUENCE_NUMBER);
   if (can_truncate) {
     // Truncate the frame so the packet will not exceed kMaxPacketSize.
     // Note that we may not use every byte of the writer in this case.
@@ -1728,8 +1727,7 @@ size_t QuicFramer::GetAckFrameSize(
   QuicSequenceNumberLength missing_sequence_number_length =
       GetMinSequenceNumberLength(ack_info.max_delta);
 
-  size_t ack_size = GetMinAckFrameSize(sequence_number_length,
-                                       largest_observed_length);
+  size_t ack_size = GetMinAckFrameSize(largest_observed_length);
   if (!ack_info.nack_ranges.empty()) {
     ack_size += kNumberOfNackRangesSize  + kNumberOfRevivedPacketsSize;
     ack_size += min(ack_info.nack_ranges.size(), kMaxNackRanges) *
@@ -1919,10 +1917,9 @@ bool QuicFramer::AppendAckFrameAndTypeByte(
   QuicSequenceNumberLength missing_sequence_number_length =
       GetMinSequenceNumberLength(ack_info.max_delta);
   // Determine whether we need to truncate ranges.
-  size_t available_range_bytes = writer->capacity() - writer->length() -
-      kNumberOfRevivedPacketsSize - kNumberOfNackRangesSize -
-      GetMinAckFrameSize(header.public_header.sequence_number_length,
-                         largest_observed_length);
+  size_t available_range_bytes =
+      writer->capacity() - writer->length() - kNumberOfRevivedPacketsSize -
+      kNumberOfNackRangesSize - GetMinAckFrameSize(largest_observed_length);
   size_t max_num_ranges = available_range_bytes /
       (missing_sequence_number_length + PACKET_1BYTE_SEQUENCE_NUMBER);
   max_num_ranges = min(kMaxNackRanges, max_num_ranges);