flip_server: rename create_listener.* for clarity

net/tools/flip_server/tcp_socket_util.cc

Index: net/tools/flip_server/tcp_socket_util.cc
diff --git a/net/tools/flip_server/create_listener.cc b/net/tools/flip_server/tcp_socket_util.cc
similarity index 97%
rename from net/tools/flip_server/create_listener.cc
rename to net/tools/flip_server/tcp_socket_util.cc
index 9b417ea4f704611569d30cebf626ebaec4c0570b..922535a72001e2f363e59bf5660a612eeb3eb114 100644
--- a/net/tools/flip_server/create_listener.cc
+++ b/net/tools/flip_server/tcp_socket_util.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/tools/flip_server/create_listener.h"
+#include "net/tools/flip_server/tcp_socket_util.h"
 
 #include <arpa/inet.h>
 #include <errno.h>
@@ -70,8 +70,7 @@ int SetDisableNagle(int fd) {
   return 1;
 }
 
-// see header for documentation of this function.
-int CreateListeningSocket(const std::string& host,
+int CreateTCPServerSocket(const std::string& host,
                           const std::string& port,
                           bool is_numeric_host_address,
                           int backlog,
@@ -207,7 +206,7 @@ int CreateListeningSocket(const std::string& host,
   return 0;
 }
 
-int CreateConnectedSocket(int* connect_fd,
+int CreateTCPClientSocket(int* connect_fd,
                           const std::string& host,
                           const std::string& port,
                           bool is_numeric_host_address,