chore(cleanup): clean up imports and wdpromises (#5073)

Author: cnishina

lib/driverProviders/browserStack.ts

@@ -3,7 +3,7 @@
  * It is responsible for setting up the account object, tearing
  * it down, and setting up the driver correctly.
  */
-import {Session, WebDriver} from 'selenium-webdriver';
+import {WebDriver} from 'selenium-webdriver';
 import * as util from 'util';
 
 import {Config} from '../config';

lib/driverProviders/direct.ts

@@ -6,8 +6,7 @@
 import * as fs from 'fs';
 import * as path from 'path';
 import {Capabilities, WebDriver} from 'selenium-webdriver';
-import {Driver as ChromeDriver, ServiceBuilder as ChromeServiceBuilder} from 'selenium-webdriver/chrome';
-import {Driver as FirefoxDriver} from 'selenium-webdriver/firefox';
+import {ServiceBuilder as ChromeServiceBuilder} from 'selenium-webdriver/chrome';
 
 import {Config} from '../config';
 import {BrowserError} from '../exitCodes';

lib/element.ts

@@ -73,7 +73,7 @@ let WEB_ELEMENT_FUNCTIONS = [
  *    that returns a list of the underlying Web Elements.
  * @param {webdriver.Locator} locator The most relevant locator. It is only
  *    used for error reporting and ElementArrayFinder.locator.
- * @param {Array.<webdriver.promise.Promise>} opt_actionResults An array
+ * @param {Array<Promise>} opt_actionResults An array
  *    of promises which will be retrieved with then. Resolves to the latest
  *    action result, or null if no action has been called.
  * @returns {ElementArrayFinder}
@@ -1091,7 +1091,7 @@ export class ElementFinder extends WebdriverWebElement {
    * @see ElementFinder.isPresent
    *
    * @param {webdriver.Locator} subLocator Locator for element to look for.
-   * @returns {webdriver.promise.Promise<boolean>} which resolves to whether
+   * @returns {Promise<boolean>} which resolves to whether
    *     the subelement is present on the page.
    */
   isElementPresent(subLocator: Locator): Promise<boolean> {
@@ -1137,7 +1137,7 @@ export class ElementFinder extends WebdriverWebElement {
    *
    * @param {!ElementFinder|!webdriver.WebElement} The element to compare to.
    *
-   * @returns {!webdriver.promise.Promise.<boolean>} A promise that will be
+   * @returns {!Promise<boolean>} A promise that will be
    *     resolved to whether the two WebElements are equal.
    */
   equals(element: ElementFinder|WebElement): Promise<any> {

lib/locators.ts

@@ -1,4 +1,4 @@
-import {By, ByHash, promise as wdpromise, WebDriver, WebElement} from 'selenium-webdriver';
+import {By, ByHash, WebDriver, WebElement} from 'selenium-webdriver';
 
 let clientSideScripts = require('./clientsidescripts');