Split out QuicAlarm creation from QuicConnectionHelper to new QuicAlarmFactory.

net/quic/quic_client_promised_info_test.cc

Index: net/quic/quic_client_promised_info_test.cc
diff --git a/net/quic/quic_client_promised_info_test.cc b/net/quic/quic_client_promised_info_test.cc
index 7ee6436fa8d151c957caa939b66ac1b30b00d57f..acd824692656aac4dff926e8d30d48a42be261f0 100644
--- a/net/quic/quic_client_promised_info_test.cc
+++ b/net/quic/quic_client_promised_info_test.cc
@@ -71,8 +71,9 @@ class QuicClientPromisedInfoTest : public ::testing::Test {
   class StreamVisitor;
 
   QuicClientPromisedInfoTest()
-      : connection_(
-            new StrictMock<MockConnection>(&helper_, Perspective::IS_CLIENT)),
+      : connection_(new StrictMock<MockConnection>(&helper_,
+                                                   &alarm_factory_,
+                                                   Perspective::IS_CLIENT)),
         session_(connection_, &push_promise_index_),
         body_("hello world"),
         promise_id_(gfe_quic::test::kServerDataStreamId1) {
@@ -143,6 +144,7 @@ class QuicClientPromisedInfoTest : public ::testing::Test {
   }
 
   MockConnectionHelper helper_;
+  MockAlarmFactory alarm_factory_;
   StrictMock<MockConnection>* connection_;
   QuicClientPushPromiseIndex push_promise_index_;
 
@@ -177,7 +179,7 @@ TEST_F(QuicClientPromisedInfoTest, PushPromiseCleanupAlarm) {
   // Fire the alarm that will cancel the promised stream.
   EXPECT_CALL(*connection_,
               SendRstStream(promise_id_, QUIC_STREAM_CANCELLED, 0));
-  helper_.FireAlarm(QuicClientPromisedInfoPeer::GetAlarm(promised));
+  alarm_factory_.FireAlarm(QuicClientPromisedInfoPeer::GetAlarm(promised));
 
   // Verify that the promise is gone after the alarm fires.
   EXPECT_EQ(session_.GetPromisedById(promise_id_), nullptr);