Add net log entries that summarize transmit and receive byte counts.

net/socket/tcp_client_socket_pool.cc

Index: net/socket/tcp_client_socket_pool.cc
diff --git a/net/socket/tcp_client_socket_pool.cc b/net/socket/tcp_client_socket_pool.cc
index a833e01a45b911491016ec4a58709def40cba24d..5cf1fa1209f72068972744f70d7c7ed81d8bf51d 100644
--- a/net/socket/tcp_client_socket_pool.cc
+++ b/net/socket/tcp_client_socket_pool.cc
@@ -124,9 +124,10 @@ int TCPConnectJob::DoResolveHostComplete(int result) {
 
 int TCPConnectJob::DoTCPConnect() {
   next_state_ = kStateTCPConnectComplete;
-  set_socket(client_socket_factory_->CreateTCPClientSocket(addresses_));
+  set_socket(client_socket_factory_->CreateTCPClientSocket(
+        addresses_, net_log().net_log()));
   connect_start_time_ = base::TimeTicks::Now();
-  return socket()->Connect(&callback_, net_log());
+  return socket()->Connect(&callback_);
 }
 
 int TCPConnectJob::DoTCPConnectComplete(int result) {