Log QUIC public reset client address mismatch to a histogram.

net/quic/quic_connection_logger.h

Index: net/quic/quic_connection_logger.h
===================================================================
--- net/quic/quic_connection_logger.h	(revision 250874)
+++ net/quic/quic_connection_logger.h	(working copy)
@@ -5,12 +5,12 @@
 #ifndef NET_QUIC_QUIC_CONNECTION_LOGGER_H_
 #define NET_QUIC_QUIC_CONNECTION_LOGGER_H_
 
+#include "net/base/ip_endpoint.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_protocol.h"
 
 namespace net {
 
-class BoundNetLog;
 class CryptoHandshakeMessage;
 
 // This class is a debug visitor of a QuicConnection which logs
@@ -76,6 +76,8 @@
   size_t num_truncated_acks_sent_;
   // Number of times a truncated ACK frame was received.
   size_t num_truncated_acks_received_;
+  // The kCADR value provided by the server in ServerHello.
+  IPEndPoint client_address_;
   DISALLOW_COPY_AND_ASSIGN(QuicConnectionLogger);
 };