Export logging API from main webdriver module.

Fixes issue 7138.

Author: jleyba

Diff for: javascript/node/selenium-webdriver/CHANGES.md

@@ -1,5 +1,6 @@
 ## v2.41.0-dev
 
+* FIXED: 7138: export logging API from webdriver module.
 * FIXED: 7105: beforeEach/it/afterEach properly bind `this` for Mocha tests.
 
 ## v2.40.0

Diff for: javascript/node/selenium-webdriver/index.js

@@ -110,6 +110,12 @@ exports.WebElement = base.require('webdriver.WebElement');
 }));
 
 
+/** @type {webdriver.logging.} */
+(exports.__defineGetter__('logging', function() {
+  return base.exportPublicApi('webdriver.logging');
+}));
+
+
 /** @type {webdriver.promise.} */
 (exports.__defineGetter__('promise', function() {
   return base.exportPublicApi('webdriver.promise');