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

net/tools/quic/quic_simple_client.cc

Index: net/tools/quic/quic_simple_client.cc
diff --git a/net/tools/quic/quic_simple_client.cc b/net/tools/quic/quic_simple_client.cc
index a3d0850f990dba3c970abbed610b71d91aa970d7..0d7e7ac88d56c90ad7fb1fbd9a5c78d3aa9630dc 100644
--- a/net/tools/quic/quic_simple_client.cc
+++ b/net/tools/quic/quic_simple_client.cc
@@ -11,6 +11,7 @@
 #include "net/http/http_request_info.h"
 #include "net/http/http_response_info.h"
 #include "net/quic/crypto/quic_random.h"
+#include "net/quic/quic_chromium_alarm_factory.h"
 #include "net/quic/quic_chromium_connection_helper.h"
 #include "net/quic/quic_chromium_packet_reader.h"
 #include "net/quic/quic_chromium_packet_writer.h"
@@ -42,6 +43,7 @@ QuicSimpleClient::QuicSimpleClient(IPEndPoint server_address,
                      supported_versions,
                      QuicConfig(),
                      CreateQuicConnectionHelper(),
+                     CreateQuicAlarmFactory(),
                      proof_verifier),
       server_address_(server_address),
       local_port_(0),
@@ -58,6 +60,7 @@ QuicSimpleClient::QuicSimpleClient(IPEndPoint server_address,
                      supported_versions,
                      config,
                      CreateQuicConnectionHelper(),
+                     CreateQuicAlarmFactory(),
                      proof_verifier),
       server_address_(server_address),
       local_port_(0),
@@ -214,7 +217,8 @@ void QuicSimpleClient::StartConnect() {
   }
 
   CreateQuicClientSession(new QuicConnection(
-      GetNextConnectionId(), server_address_, helper(), writer(),
+      GetNextConnectionId(), server_address_, helper(), alarm_factory(),
+      writer(),
       /* owns_writer= */ false, Perspective::IS_CLIENT, supported_versions()));
 
   session()->Initialize();
@@ -376,9 +380,12 @@ QuicConnectionId QuicSimpleClient::GenerateNewConnectionId() {
 }
 
 QuicChromiumConnectionHelper* QuicSimpleClient::CreateQuicConnectionHelper() {
-  return new QuicChromiumConnectionHelper(
-      base::ThreadTaskRunnerHandle::Get().get(), &clock_,
-      QuicRandom::GetInstance());
+  return new QuicChromiumConnectionHelper(&clock_, QuicRandom::GetInstance());
+}
+
+QuicChromiumAlarmFactory* QuicSimpleClient::CreateQuicAlarmFactory() {
+  return new QuicChromiumAlarmFactory(base::ThreadTaskRunnerHandle::Get().get(),
+                                      &clock_);
 }
 
 QuicPacketWriter* QuicSimpleClient::CreateQuicPacketWriter() {