console: name anonymous functions

Ref: https://github.com/nodejs/node/issues/8913
PR-URL: https://github.com/nodejs/node/pull/9047
Reviewed-By: Ilkka Myller <ilkka.myller@nodefield.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

lib/console.js

@@ -39,7 +39,7 @@ function Console(stdout, stderr) {
 // As of v8 5.0.71.32, the combination of rest param, template string
 // and .apply(null, args) benchmarks consistently faster than using
 // the spread operator when calling util.format.
-Console.prototype.log = function(...args) {
+Console.prototype.log = function log(...args) {
   this._stdout.write(`${util.format.apply(null, args)}\n`);
 };
 
@@ -47,7 +47,7 @@ Console.prototype.log = function(...args) {
 Console.prototype.info = Console.prototype.log;
 
 
-Console.prototype.warn = function(...args) {
+Console.prototype.warn = function warn(...args) {
   this._stderr.write(`${util.format.apply(null, args)}\n`);
 };
 
@@ -55,18 +55,18 @@ Console.prototype.warn = function(...args) {
 Console.prototype.error = Console.prototype.warn;
 
 
-Console.prototype.dir = function(object, options) {
+Console.prototype.dir = function dir(object, options) {
   options = Object.assign({customInspect: false}, options);
   this._stdout.write(`${util.inspect(object, options)}\n`);
 };
 
 
-Console.prototype.time = function(label) {
+Console.prototype.time = function time(label) {
   this._times.set(label, process.hrtime());
 };
 
 
-Console.prototype.timeEnd = function(label) {
+Console.prototype.timeEnd = function timeEnd(label) {
   const time = this._times.get(label);
   if (!time) {
     process.emitWarning(`No such label '${label}' for console.timeEnd()`);
@@ -90,7 +90,7 @@ Console.prototype.trace = function trace(...args) {
 };
 
 
-Console.prototype.assert = function(expression, ...args) {
+Console.prototype.assert = function assert(expression, ...args) {
   if (!expression) {
     require('assert').ok(false, util.format.apply(null, args));
   }