console: add dirxml method

This method was previously exposed by V8 (since Node v8.0.0) and not
implemented in Node directly.
Tests coming soon.

Refs: #17128

lib/console.js

@@ -162,6 +162,25 @@ Console.prototype.dir = function dir(object, options) {
 };
 
 
+Console.prototype.dirxml = function dirxml(...data) {
+  const optionProps = ['showHidden', 'depth', 'colors'],
+    maybeOptions = Object.getOwnPropertyNames(data.slice(-1)),
+    isOption = maybeOptions.some((p) => optionProps.indexOf(p) !== -1);
+  let options = { customInspect: false };
+
+  if (isOption) {
+    options = Object.assign(data.splice(-1), options);
+  }
+  for (const item of data) {
+    write(this._ignoreErrors,
+          this._stdout,
+          util.inspect(item, options),
+          this._stdoutErrorHandler,
+          this[kGroupIndent]);
+  }
+};
+
+
 Console.prototype.time = function time(label = 'default') {
   // Coerces everything other than Symbol to a string
   label = `${label}`;