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

net/tools/quic/quic_simple_server.h

Index: net/tools/quic/quic_simple_server.h
diff --git a/net/tools/quic/quic_simple_server.h b/net/tools/quic/quic_simple_server.h
index 21c39bf752166a74417a03e0edfd3859a20bf280..9d6cb57bb57f700f4b849fbf2f6146f3b5878c04 100644
--- a/net/tools/quic/quic_simple_server.h
+++ b/net/tools/quic/quic_simple_server.h
@@ -14,6 +14,7 @@
 #include "net/base/ip_endpoint.h"
 #include "net/log/net_log.h"
 #include "net/quic/crypto/quic_crypto_server_config.h"
+#include "net/quic/quic_chromium_alarm_factory.h"
 #include "net/quic/quic_chromium_connection_helper.h"
 #include "net/quic/quic_clock.h"
 #include "net/quic/quic_config.h"
@@ -72,6 +73,9 @@ class QuicSimpleServer {
   // Used to manage the message loop. Owned by dispatcher_.
   QuicChromiumConnectionHelper* helper_;
 
+  // Used to create alarms. Owned by dispatcher_.
+  QuicChromiumAlarmFactory* alarm_factory_;
+
   // Listening socket. Also used for outbound client communication.
   scoped_ptr<UDPServerSocket> socket_;