Cache the value of GetMaxPlaintextSize in QuicPacketCreator. No functional change.

net/quic/quic_connection_test.cc

Index: net/quic/quic_connection_test.cc
diff --git a/net/quic/quic_connection_test.cc b/net/quic/quic_connection_test.cc
index 14945afbb18429bf18ca23f1e49e67e482051607..0a047748ead37d2b94f2365da4ff12661ba07361 100644
--- a/net/quic/quic_connection_test.cc
+++ b/net/quic/quic_connection_test.cc
@@ -1602,7 +1602,7 @@ TEST_P(QuicConnectionTest, FECSending) {
           connection_.version(), kIncludeVersion,
           PACKET_8BYTE_CONNECTION_ID, PACKET_1BYTE_SEQUENCE_NUMBER,
           IN_FEC_GROUP, &payload_length);
-  creator_->set_max_packet_length(length);
+  creator_->SetMaxPacketLength(length);
 
   // Send 4 protected data packets, which should also trigger 1 FEC packet.
   EXPECT_CALL(*send_algorithm_,
@@ -1622,7 +1622,7 @@ TEST_P(QuicConnectionTest, FECQueueing) {
       connection_.version(), kIncludeVersion,
       PACKET_8BYTE_CONNECTION_ID, PACKET_1BYTE_SEQUENCE_NUMBER,
       IN_FEC_GROUP, &payload_length);
-  creator_->set_max_packet_length(length);
+  creator_->SetMaxPacketLength(length);
   EXPECT_TRUE(creator_->IsFecEnabled());
 
   EXPECT_EQ(0u, connection_.NumQueuedPackets());
@@ -3284,7 +3284,7 @@ TEST_P(QuicConnectionTest, TestQueueLimitsOnSendStreamData) {
       connection_.version(), kIncludeVersion,
       PACKET_8BYTE_CONNECTION_ID, PACKET_1BYTE_SEQUENCE_NUMBER,
       NOT_IN_FEC_GROUP, &payload_length);
-  creator_->set_max_packet_length(length);
+  creator_->SetMaxPacketLength(length);
 
   // Queue the first packet.
   EXPECT_CALL(*send_algorithm_,
@@ -3308,7 +3308,7 @@ TEST_P(QuicConnectionTest, LoopThroughSendingPackets) {
           connection_.version(), kIncludeVersion,
           PACKET_8BYTE_CONNECTION_ID, PACKET_1BYTE_SEQUENCE_NUMBER,
           NOT_IN_FEC_GROUP, &payload_length);
-  creator_->set_max_packet_length(length);
+  creator_->SetMaxPacketLength(length);
 
   // Queue the first packet.
   EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(7);