Bug 1440284 - change this.EXPORTED_SYMBOLS back to var EXPORTED_SYMBOLS in JS modules, r=mccr8.

browser/components/distribution.js

@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-this.EXPORTED_SYMBOLS = [ "DistributionCustomizer" ];
+var EXPORTED_SYMBOLS = [ "DistributionCustomizer" ];
 
 const DISTRIBUTION_CUSTOMIZATION_COMPLETE_TOPIC =
   "distribution-customization-complete";
@@ -18,8 +18,8 @@ ChromeUtils.defineModuleGetter(this, "Preferences",
 ChromeUtils.defineModuleGetter(this, "PlacesUtils",
                                "resource://gre/modules/PlacesUtils.jsm");
 
-this.DistributionCustomizer = function DistributionCustomizer() {
-};
+function DistributionCustomizer() {
+}
 
 DistributionCustomizer.prototype = {
   get _iniFile() {