Add QUIC v39 which will be used to experiment with HTTP/2 stream...

net/tools/quic/quic_dispatcher_test.cc

Index: net/tools/quic/quic_dispatcher_test.cc
diff --git a/net/tools/quic/quic_dispatcher_test.cc b/net/tools/quic/quic_dispatcher_test.cc
index a4a7f23865776d34a1bc28c2ea9e2f5910245170..6e7a4172d2cd6948a92a927d5b2db16d4bca5d02 100644
--- a/net/tools/quic/quic_dispatcher_test.cc
+++ b/net/tools/quic/quic_dispatcher_test.cc
@@ -527,12 +527,13 @@ TEST_F(QuicDispatcherTest, TooBigSeqNoPacketToTimeWaitListManager) {
 }
 
 TEST_F(QuicDispatcherTest, SupportedVersionsChangeInFlight) {
-  static_assert(arraysize(kSupportedQuicVersions) == 5u,
+  static_assert(arraysize(kSupportedQuicVersions) == 6u,
                 "Supported versions out of sync");
   FLAGS_quic_reloadable_flag_quic_disable_version_34 = false;
   FLAGS_quic_reloadable_flag_quic_enable_version_36_v3 = true;
   FLAGS_quic_reloadable_flag_quic_enable_version_37 = true;
   FLAGS_quic_reloadable_flag_quic_enable_version_38 = true;
+  base::SetFlag(&FLAGS_quic_enable_version_39, true);
   QuicSocketAddress client_address(QuicIpAddress::Loopback4(), 1);
   server_address_ = QuicSocketAddress(QuicIpAddress::Any4(), 5);
   QuicConnectionId connection_id = 1;
@@ -570,6 +571,33 @@ TEST_F(QuicDispatcherTest, SupportedVersionsChangeInFlight) {
   ProcessPacket(client_address, connection_id, true, QuicVersionMax(),
                 SerializeCHLO(), PACKET_8BYTE_CONNECTION_ID,
                 PACKET_6BYTE_PACKET_NUMBER, 1);
+
+  // Turn off version 39.
+  base::SetFlag(&FLAGS_quic_enable_version_39, false);
+  ++connection_id;
+  EXPECT_CALL(*dispatcher_, CreateQuicSession(connection_id, client_address))
+      .Times(0);
+  ProcessPacket(client_address, connection_id, true, QUIC_VERSION_39,
+                SerializeCHLO(), PACKET_8BYTE_CONNECTION_ID,
+                PACKET_6BYTE_PACKET_NUMBER, 1);
+
+  // Turn on version 39.
+  base::SetFlag(&FLAGS_quic_enable_version_39, true);
+  ++connection_id;
+  EXPECT_CALL(*dispatcher_, CreateQuicSession(connection_id, client_address))
+      .WillOnce(testing::Return(CreateSession(
+          dispatcher_.get(), config_, connection_id, client_address,
+          &mock_helper_, &mock_alarm_factory_, &crypto_config_,
+          QuicDispatcherPeer::GetCache(dispatcher_.get()), &session1_)));
+  EXPECT_CALL(*reinterpret_cast<MockQuicConnection*>(session1_->connection()),
+              ProcessUdpPacket(_, _, _))
+      .WillOnce(testing::WithArgs<2>(
+          Invoke(CreateFunctor(&QuicDispatcherTest::ValidatePacket,
+                               base::Unretained(this), connection_id))));
+  ProcessPacket(client_address, connection_id, true, QUIC_VERSION_39,
+                SerializeCHLO(), PACKET_8BYTE_CONNECTION_ID,
+                PACKET_6BYTE_PACKET_NUMBER, 1);
+
   // Turn off version 36.
   FLAGS_quic_reloadable_flag_quic_enable_version_36_v3 = false;
   ++connection_id;