Issue 3244 - Pop-up blocker unit tests broken in E10S mode

chrome/content/common.js

 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cr = Components.results;
 const Cu = Components.utils;
 
 const MILLIS_IN_SECOND = 1000;
 const MILLIS_IN_MINUTE = 60 * MILLIS_IN_SECOND;
 const MILLIS_IN_HOUR = 60 * MILLIS_IN_MINUTE;
 const MILLIS_IN_DAY = 24 * MILLIS_IN_HOUR;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 
+const SDK = Cu.import("resource://gre/modules/commonjs/toolkit/require.js", {});
+SDK.require("sdk/tabs");
+
 function require(module)
 {
   let result = {};
   result.wrappedJSObject = result;
   Services.obs.notifyObservers(result, "adblockplus-require", module);
   return result.exports;
 }
 
 function getModuleGlobal(module)
 {
@@ skipping 500 matching lines @@
     return oldFinish.apply(this, arguments);
   }
   window.addEventListener("unload", function()
   {
     debuggerService.off();
   }, true);
   debuggerService.on();
   debuggerService.flags |= debuggerService.COLLECT_PROFILE_DATA;
   debuggerService.clearProfileData();
 }