Make QuicDispatcher's helper and alarm factory arguments unique_ptrs to make ownership clear.

net/tools/quic/quic_server_session_base_test.cc

Index: net/tools/quic/quic_server_session_base_test.cc
diff --git a/net/tools/quic/quic_server_session_base_test.cc b/net/tools/quic/quic_server_session_base_test.cc
index 2e08f1443eb15711be71a71d2a7ca3207f4a84db..9601a5b1fb0a2a6cdb1f6d21d2a3ea854bde81e5 100644
--- a/net/tools/quic/quic_server_session_base_test.cc
+++ b/net/tools/quic/quic_server_session_base_test.cc
@@ -131,8 +131,9 @@ class QuicServerSessionBaseTest : public ::testing::TestWithParam<QuicVersion> {
     config_.SetInitialSessionFlowControlWindowToSend(
         kInitialSessionFlowControlWindowForTest);
 
-    connection_ = new StrictMock<MockConnection>(
-        &helper_, Perspective::IS_SERVER, SupportedVersions(GetParam()));
+    connection_ = new StrictMock<MockConnection>(&helper_, &alarm_factory_,
+                                                 Perspective::IS_SERVER,
+                                                 SupportedVersions(GetParam()));
     session_.reset(new TestServerSession(config_, connection_, &owner_,
                                          &crypto_config_,
                                          &compressed_certs_cache_));
@@ -146,6 +147,7 @@ class QuicServerSessionBaseTest : public ::testing::TestWithParam<QuicVersion> {
 
   StrictMock<MockQuicServerSessionVisitor> owner_;
   MockConnectionHelper helper_;
+  MockAlarmFactory alarm_factory_;
   StrictMock<MockConnection>* connection_;
   QuicConfig config_;
   QuicCryptoServerConfig crypto_config_;