Populate RTT info in TransportConnectionStats. Moved RttStatsPeer class

net/quic/test_tools/rtt_stats_peer.h

Index: net/quic/test_tools/rtt_stats_peer.h
diff --git a/net/quic/test_tools/rtt_stats_peer.h b/net/quic/test_tools/rtt_stats_peer.h
new file mode 100644
index 0000000000000000000000000000000000000000..640d9b6cc8a7ba2cc08e9043d55fcd4155217cf1
--- /dev/null
+++ b/net/quic/test_tools/rtt_stats_peer.h
@@ -0,0 +1,31 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_QUIC_TEST_TOOLS_RTT_STATS_PEER_H_
+#define NET_QUIC_TEST_TOOLS_RTT_STATS_PEER_H_
+
+#include "net/quic/congestion_control/rtt_stats.h"
+#include "net/quic/quic_time.h"
+
+namespace net {
+namespace test {
+
+class RttStatsPeer {
+ public:
+  static QuicTime::Delta GetHalfWindowRtt(const RttStats* rtt_stats);
+
+  static QuicTime::Delta GetQuarterWindowRtt(const RttStats* rtt_stats);
+
+  static void SetSmoothedRtt(RttStats* rtt_stats, QuicTime::Delta rtt_ms);
+
+  static void SetMinRtt(RttStats* rtt_stats, QuicTime::Delta rtt_ms);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(RttStatsPeer);
+};
+
+}  // namespace test
+}  // namespace net
+
+#endif  // NET_QUIC_TEST_TOOLS_RTT_STATS_PEER_H_