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

net/quic/quic_crypto_stream_test.cc

Index: net/quic/quic_crypto_stream_test.cc
diff --git a/net/quic/quic_crypto_stream_test.cc b/net/quic/quic_crypto_stream_test.cc
index e7cc92aa7b8678f3728c023bbb65546bbd2a17c7..13e2b95fd95f51df45e6f94f2a9aeb2834e6bc8a 100644
--- a/net/quic/quic_crypto_stream_test.cc
+++ b/net/quic/quic_crypto_stream_test.cc
@@ -44,7 +44,9 @@ class MockQuicCryptoStream : public QuicCryptoStream {
 class QuicCryptoStreamTest : public ::testing::Test {
  public:
   QuicCryptoStreamTest()
-      : connection_(new MockConnection(&helper_, Perspective::IS_CLIENT)),
+      : connection_(new MockConnection(&helper_,
+                                       &alarm_factory_,
+                                       Perspective::IS_CLIENT)),
         session_(connection_),
         stream_(&session_) {
     message_.set_tag(kSHLO);
@@ -60,6 +62,7 @@ class QuicCryptoStreamTest : public ::testing::Test {
 
  protected:
   MockConnectionHelper helper_;
+  MockAlarmFactory alarm_factory_;
   MockConnection* connection_;
   MockQuicSpdySession session_;
   MockQuicCryptoStream stream_;