http: name anonymous functions in http

Refs: https://github.com/nodejs/node/issues/8913
PR-URL: https://github.com/nodejs/node/pull/9055
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

lib/http.js

@@ -15,18 +15,18 @@ exports.STATUS_CODES = server.STATUS_CODES;
 exports._connectionListener = server._connectionListener;
 const Server = exports.Server = server.Server;
 
-exports.createServer = function(requestListener) {
+exports.createServer = function createServer(requestListener) {
   return new Server(requestListener);
 };
 
 const client = require('_http_client');
 const ClientRequest = exports.ClientRequest = client.ClientRequest;
 
-exports.request = function(options, cb) {
+exports.request = function request(options, cb) {
   return new ClientRequest(options, cb);
 };
 
-exports.get = function(options, cb) {
+exports.get = function get(options, cb) {
   var req = exports.request(options, cb);
   req.end();
   return req;