2706 browser.storageManager.enabled added

its added as default false, but looks like we'll need to check out what options the two prefs (dom from 51 and browser from 53) when true show in the options UI

user.js

@@ -1346,13 +1346,15 @@ user_pref("network.cookie.thirdparty.sessionOnly", true);
  * [WARNING] this will break a LOT of sites' functionality.
  * You are better off using an extension for more granular control ***/
    // user_pref("dom.storage.enabled", false);
-/* 2706: disable Storage API (FF51+)
+/* 2706: disable Storage API
  * The API gives sites the ability to find out how much space they can use, how much
  * they are already using, and even control whether or not they need to be alerted
  * before the user agent disposes of site data in order to make room for other things.
  * [1] https://developer.mozilla.org/en-US/docs/Web/API/StorageManager
- * [2] https://developer.mozilla.org/en-US/docs/Web/API/Storage_API ***/
-user_pref("dom.storageManager.enabled", false);
+ * [2] https://developer.mozilla.org/en-US/docs/Web/API/Storage_API
+ * [3] https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/ ***/
+user_pref("dom.storageManager.enabled", false); // (FF51+)
+user_pref("browser.storageManager.enabled", false); // (FF53+)
 /* 2707: clear localStorage and UUID when a WebExtension is uninstalled
  * [NOTE] both preferences must be the same
  * [1] https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/storage/local