Issue 7452 - Do not cache element hiding filter objects by default

test/filterListener.js

Index: test/filterListener.js
===================================================================
--- a/test/filterListener.js
+++ b/test/filterListener.js
@@ -25,17 +25,17 @@
 let Filter = null;
 let defaultMatcher = null;
 let SpecialSubscription = null;
 
 exports.setUp = function(callback)
 {
   sandboxedRequire = createSandbox({
     extraExports: {
-      elemHide: ["knownFilters"],
+      elemHide: ["knownFilterText"],
       elemHideEmulation: ["filters"],
       elemHideExceptions: ["knownExceptions"],
       snippets: ["filters"]
     }
   });
 
   // We need to require the filterListener module so that filter changes will be
   // noticed, even though we don't directly use the module here.
@@ -79,18 +79,18 @@
         }
       }
     }
     result[type] = filters;
   }
 
   let elemHide = sandboxedRequire("../lib/elemHide");
   result.elemhide = [];
-  for (let filter of elemHide.knownFilters)
-    result.elemhide.push(filter.text);
+  for (let filterText of elemHide.knownFilterText)
+    result.elemhide.push(filterText);
 
   let elemHideExceptions = sandboxedRequire("../lib/elemHideExceptions");
   result.elemhideexception = [];
   for (let exception of elemHideExceptions.knownExceptions)
     result.elemhideexception.push(exception.text);
 
   let elemHideEmulation = sandboxedRequire("../lib/elemHideEmulation");
   result.elemhideemulation = [];