Split out QuicAlarm creation from QuicConnectionHelper to new QuicAlarmFactory.

net/quic/reliable_quic_stream_test.cc

Index: net/quic/reliable_quic_stream_test.cc
diff --git a/net/quic/reliable_quic_stream_test.cc b/net/quic/reliable_quic_stream_test.cc
index a4bd67d8ac35ca625f1f6b71e888bd337c90270d..12164b0b5f76ca5677e9f9da55ebb1765bd30a88 100644
--- a/net/quic/reliable_quic_stream_test.cc
+++ b/net/quic/reliable_quic_stream_test.cc
@@ -104,7 +104,7 @@ class ReliableQuicStreamTest : public ::testing::TestWithParam<bool> {
 
   void Initialize(bool stream_should_process_data) {
     connection_ = new StrictMock<MockConnection>(
-        &helper_, Perspective::IS_SERVER, supported_versions_);
+        &helper_, &alarm_factory_, Perspective::IS_SERVER, supported_versions_);
     session_.reset(new StrictMock<MockQuicSpdySession>(connection_));
 
     // New streams rely on having the peer's flow control receive window
@@ -148,6 +148,7 @@ class ReliableQuicStreamTest : public ::testing::TestWithParam<bool> {
 
  protected:
   MockConnectionHelper helper_;
+  MockAlarmFactory alarm_factory_;
   MockConnection* connection_;
   std::unique_ptr<MockQuicSpdySession> session_;
   TestStream* stream_;