Minor cleanup of QUIC MockConnection and PacketSavingConnection

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 60414ae09fd94b7fd2dcc3bd0fd048bad12324b2..5378000aab6d64fbb209e758193cd27728799827 100644
--- a/net/quic/reliable_quic_stream_test.cc
+++ b/net/quic/reliable_quic_stream_test.cc
@@ -30,7 +30,6 @@ namespace {
 const char kData1[] = "FooAndBar";
 const char kData2[] = "EepAndBaz";
 const size_t kDataLen = 9;
-const QuicGuid kGuid = 42;
 const QuicGuid kStreamId = 3;
 const bool kIsServer = true;
 const bool kShouldProcessData = true;
@@ -96,10 +95,8 @@ class ReliableQuicStreamTest : public ::testing::TestWithParam<bool> {
   }
 
   void Initialize(bool stream_should_process_data) {
-    connection_ = new testing::StrictMock<MockConnection>(
-        kGuid, IPEndPoint(), kIsServer);
-    session_.reset(new testing::StrictMock<MockSession>(
-        connection_, kIsServer));
+    connection_ = new StrictMock<MockConnection>(kIsServer);
+    session_.reset(new StrictMock<MockSession>(connection_, kIsServer));
     stream_.reset(new TestStream(kStreamId, session_.get(),
                                  stream_should_process_data));
     stream2_.reset(new TestStream(kStreamId + 2, session_.get(),