Rename quic::kMaxPacketSize to quic::kMaxOutgoingPacketSize

As part of cl/242197597, QUIC now has separate values for maximum incoming and outgoing packet sizes. This CL renames the constant to be clearer.

gfe-relnote: constant rename, no functional impact
PiperOrigin-RevId: 242708648
Change-Id: I3f440ba44b9c12394026116aaecdd2c166cc63b6
diff --git a/quic/core/quic_packet_generator_test.cc b/quic/core/quic_packet_generator_test.cc
index cb22fd5..9edddfc 100644
--- a/quic/core/quic_packet_generator_test.cc
+++ b/quic/core/quic_packet_generator_test.cc
@@ -1046,7 +1046,7 @@
   // Send enough data for three packets.
   size_t data_len = 3 * kDefaultMaxPacketSize + 1;
   size_t packet_len = kDefaultMaxPacketSize + 100;
-  ASSERT_LE(packet_len, kMaxPacketSize);
+  ASSERT_LE(packet_len, kMaxOutgoingPacketSize);
   generator_.SetMaxPacketLength(packet_len);
   EXPECT_EQ(packet_len, generator_.GetCurrentMaxPacketLength());
 
@@ -1082,7 +1082,7 @@
   // one.
   size_t data_len = kDefaultMaxPacketSize;
   size_t packet_len = kDefaultMaxPacketSize + 100;
-  ASSERT_LE(packet_len, kMaxPacketSize);
+  ASSERT_LE(packet_len, kMaxOutgoingPacketSize);
 
   // We expect to see three packets in total.
   EXPECT_CALL(delegate_, OnSerializedPacket(_))
@@ -1136,7 +1136,7 @@
   size_t first_write_len = kDefaultMaxPacketSize / 2;
   size_t packet_len = kDefaultMaxPacketSize + 100;
   size_t second_write_len = packet_len + 1;
-  ASSERT_LE(packet_len, kMaxPacketSize);
+  ASSERT_LE(packet_len, kMaxOutgoingPacketSize);
 
   // First send half of the packet worth of data.  We are in the batch mode, so
   // should not cause packet serialization.
@@ -1223,7 +1223,7 @@
   delegate_.SetCanWriteAnything();
 
   const size_t target_mtu = kDefaultMaxPacketSize + 100;
-  static_assert(target_mtu < kMaxPacketSize,
+  static_assert(target_mtu < kMaxOutgoingPacketSize,
                 "The MTU probe used by the test exceeds maximum packet size");
 
   EXPECT_CALL(delegate_, OnSerializedPacket(_))
@@ -1248,7 +1248,7 @@
   delegate_.SetCanWriteAnything();
 
   const size_t target_mtu = kDefaultMaxPacketSize + 100;
-  static_assert(target_mtu < kMaxPacketSize,
+  static_assert(target_mtu < kMaxOutgoingPacketSize,
                 "The MTU probe used by the test exceeds maximum packet size");
 
   // Send enough data so it would always cause two packets to be sent.