url: name anonymous functions in url

Name anonymous functions in url.js.

PR-URL: https://github.com/nodejs/node/pull/9225
Ref: https://github.com/nodejs/node/issues/8913
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>

lib/url.js

@@ -76,7 +76,7 @@ function urlParse(url, parseQueryString, slashesDenoteHost) {
   return u;
 }
 
-Url.prototype.parse = function(url, parseQueryString, slashesDenoteHost) {
+Url.prototype.parse = function parse(url, parseQueryString, slashesDenoteHost) {
   if (typeof url !== 'string') {
     throw new TypeError('Parameter "url" must be a string, not ' + typeof url);
   }
@@ -557,7 +557,7 @@ function urlFormat(obj, options) {
   return obj.format();
 }
 
-Url.prototype.format = function() {
+Url.prototype.format = function format() {
   var auth = this.auth || '';
   if (auth) {
     auth = encodeAuth(auth);
@@ -642,7 +642,7 @@ function urlResolve(source, relative) {
   return urlParse(source, false, true).resolve(relative);
 }
 
-Url.prototype.resolve = function(relative) {
+Url.prototype.resolve = function resolve(relative) {
   return this.resolveObject(urlParse(relative, false, true)).format();
 };
 
@@ -651,7 +651,7 @@ function urlResolveObject(source, relative) {
   return urlParse(source, false, true).resolveObject(relative);
 }
 
-Url.prototype.resolveObject = function(relative) {
+Url.prototype.resolveObject = function resolveObject(relative) {
   if (typeof relative === 'string') {
     var rel = new Url();
     rel.parse(relative, false, true);
@@ -929,7 +929,7 @@ Url.prototype.resolveObject = function(relative) {
   return result;
 };
 
-Url.prototype.parseHost = function() {
+Url.prototype.parseHost = function parseHost() {
   var host = this.host;
   var port = portPattern.exec(host);
   if (port) {