Issue 6887 - add Chrome to "npm test"

test/browsers/chromium.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 13 matching lines @@
 // loweset version that supports WebDriver.
 const CHROMIUM_REVISION = 508578;
 
 const webdriver = require("selenium-webdriver");
 const chrome = require("selenium-webdriver/chrome");
 const {ensureChromium} = require("../../adblockpluscore/test/runners/" +
                                 "chromium_download");
 
 exports.platform = "chrome";
 
-exports.getDriver = function(devenvPathAbsolute)
+exports.ensureBrowser = function()
 {
-  return ensureChromium(CHROMIUM_REVISION).then(chromiumPath =>
-  {
-    let options = new chrome.Options()
-      .setChromeBinaryPath(chromiumPath)
-      .addArguments("--no-sandbox")
-      .addArguments(`load-extension=${devenvPathAbsolute}`);
+  return ensureChromium(CHROMIUM_REVISION);
+};
 
-    return new webdriver.Builder()
-      .forBrowser("chrome")
-      .setChromeOptions(options)
-      .build();
-  });
+exports.getDriver = function(browserBinary, devenvPath)
+{
+  let options = new chrome.Options()
+    .setChromeBinaryPath(browserBinary)
+    .addArguments("--no-sandbox")
+    .addArguments(`load-extension=${devenvPath}`);
+
+  return new webdriver.Builder()
+    .forBrowser("chrome")
+    .setChromeOptions(options)
+    .build();
 };