Split out QuicAlarm creation from QuicConnectionHelper to new QuicAlarmFactory.

net/tools/quic/quic_spdy_client_stream_test.cc

Index: net/tools/quic/quic_spdy_client_stream_test.cc
diff --git a/net/tools/quic/quic_spdy_client_stream_test.cc b/net/tools/quic/quic_spdy_client_stream_test.cc
index 62ecd92fd7aee99949d3aa704a216283366a9a1d..d8ec57d39a3bdd02d6b96142f0d2341c8f8a78f3 100644
--- a/net/tools/quic/quic_spdy_client_stream_test.cc
+++ b/net/tools/quic/quic_spdy_client_stream_test.cc
@@ -63,8 +63,9 @@ class QuicSpdyClientStreamTest : public ::testing::Test {
   class StreamVisitor;
 
   QuicSpdyClientStreamTest()
-      : 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") {
     session_.Initialize();
@@ -86,6 +87,7 @@ class QuicSpdyClientStreamTest : public ::testing::Test {
   };
 
   MockConnectionHelper helper_;
+  MockAlarmFactory alarm_factory_;
   StrictMock<MockConnection>* connection_;
   QuicClientPushPromiseIndex push_promise_index_;