Split out QuicAlarm creation from QuicConnectionHelper to new QuicAlarmFactory.

net/quic/quic_connection_logger_unittest.cc

Index: net/quic/quic_connection_logger_unittest.cc
diff --git a/net/quic/quic_connection_logger_unittest.cc b/net/quic/quic_connection_logger_unittest.cc
index ebaa12dbfeccb8fbb1845f941c955465e1cee0a2..c7277ad507a1b61de4ab6265c4067d4bd223846b 100644
--- a/net/quic/quic_connection_logger_unittest.cc
+++ b/net/quic/quic_connection_logger_unittest.cc
@@ -32,7 +32,8 @@ class QuicConnectionLoggerPeer {
 class QuicConnectionLoggerTest : public ::testing::Test {
  protected:
   QuicConnectionLoggerTest()
-      : session_(new MockConnection(&helper_, Perspective::IS_CLIENT)),
+      : session_(
+            new MockConnection(&helper_, &factory_, Perspective::IS_CLIENT)),
         logger_(&session_,
                 "CONNECTION_UNKNOWN",
                 /*socket_performance_watcher=*/nullptr,
@@ -40,6 +41,7 @@ class QuicConnectionLoggerTest : public ::testing::Test {
 
   BoundNetLog net_log_;
   MockConnectionHelper helper_;
+  MockAlarmFactory factory_;
   MockQuicSpdySession session_;
   QuicConnectionLogger logger_;
 };