Use require() properly instead of importing all symbols of a module

options.js

 var backgroundPage = chrome.extension.getBackgroundPage();
-var imports = ["FilterStorage", "FilterNotifier", "Subscription", "SpecialSubscription",
-               "DownloadableSubscription", "Filter", "WhitelistFilter",
-               "Synchronizer", "Prefs", "Utils", "require"];
-for (var i = 0; i < imports.length; i++)
-  window[imports[i]] = backgroundPage[imports[i]];
+var require = backgroundPage.require;
+
+with(require("filterClasses"))
+{
+  this.Filter = Filter;
+  this.WhitelistFilter = WhitelistFilter;
+}
+with(require("subscriptionClasses"))
+{
+  this.Subscription = Subscription;
+  this.SpecialSubscription = SpecialSubscription;
+  this.DownloadableSubscription = DownloadableSubscription;
+}
+var FilterStorage = require("filterStorage").FilterStorage;
+var FilterNotifier = require("filterNotifier").FilterNotifier;
+var Prefs = require("prefs").Prefs;
+var Synchronizer = require("synchronizer").Synchronizer;
 
 // Loads options from localStorage and sets UI elements accordingly
 function loadOptions()
 {
   // Set page title to i18n version of "Adblock Plus Options"
   document.title = i18n.getMessage("options");
 
   // Set links
   $("#acceptableAdsLink").attr("href", Prefs.subscriptions_exceptionsurl);
-  $("#acceptableAdsDocs").attr("href", Prefs.documentation_link.replace(/%LINK%/g, "acceptable_ads").replace(/%LANG%/g, Utils.appLocale));
+  $("#acceptableAdsDocs").attr("href", Prefs.documentation_link.replace(/%LINK%/g, "acceptable_ads").replace(/%LANG%/g, require("utils").Utils.appLocale));
 
   // Add event listeners
   window.addEventListener("unload", unloadOptions, false);
   $("#updateFilterLists").click(updateFilterLists);
   $("#startSubscriptionSelection").click(startSubscriptionSelection);
   $("#subscriptionSelector").change(updateSubscriptionSelection);
   $("#addSubscription").click(addSubscription);
   $("#acceptableAds").click(allowAcceptableAds);
   $("#whitelistForm").submit(addWhitelistDomain);
   $("#removeWhitelist").click(removeSelectedExcludedDomain);
@@ skipping 557 matching lines @@
     if (subscription.disabled == !enabled.checked)
       return;
 
     subscription.disabled = !enabled.checked;
   }, false);
 
   updateSubscriptionInfo(element);
 
   document.getElementById("filterLists").appendChild(element);
 }