Add QuicTransportChannel methods for QUIC streams

webrtc/p2p/quic/quicsession_unittest.cc

Index: webrtc/p2p/quic/quicsession_unittest.cc
diff --git a/webrtc/p2p/quic/quicsession_unittest.cc b/webrtc/p2p/quic/quicsession_unittest.cc
index 2e2d6ae0a6af3a77bf7516d1d53fd2dd1014b3de..04b7d1ee7faa1b948844e2b8cf8d2df6ed4c89ca 100644
--- a/webrtc/p2p/quic/quicsession_unittest.cc
+++ b/webrtc/p2p/quic/quicsession_unittest.cc
@@ -450,3 +450,17 @@ TEST_F(QuicSessionTest, CannotCreateDataStreamBeforeHandshake) {
   EXPECT_EQ(nullptr, server_peer_->CreateOutgoingDynamicStream(5));
   EXPECT_EQ(nullptr, client_peer_->CreateOutgoingDynamicStream(5));
 }
+
+// Test that closing a QUIC stream causes the QuicSession to remove it.
+TEST_F(QuicSessionTest, CloseQuicStream) {
+  CreateClientAndServerSessions();
+  StartHandshake(true, true);
+  ASSERT_TRUE_WAIT(client_peer_->IsCryptoHandshakeConfirmed() &&
+                       server_peer_->IsCryptoHandshakeConfirmed(),
+                   kTimeoutMs);
+  ReliableQuicStream* stream = client_peer_->CreateOutgoingDynamicStream(5);
+  ASSERT_NE(nullptr, stream);
+  EXPECT_FALSE(client_peer_->IsClosedStream(stream->id()));
+  stream->Close();
+  EXPECT_TRUE(client_peer_->IsClosedStream(stream->id()));
+}