[adblockpluschrome] Issue 3596 - Added support for CSS property filters to devtools panel

lib/devtools.js

Index: lib/devtools.js
diff --git a/lib/devtools.js b/lib/devtools.js
index 89c50d4342816f4072cae2225c20d63fb6e44bd7..f1b40a0bfd538441c2cd91707c3278607368b058 100644
--- a/lib/devtools.js
+++ b/lib/devtools.js
@@ -17,7 +17,11 @@
 
 "use strict";
 
-const {RegExpFilter, WhitelistFilter, ElemHideFilter} = require("filterClasses");
+const {RegExpFilter,
+       WhitelistFilter,
+       ElemHideFilter,
+       ElemHideEmulationFilter} = require("filterClasses");
+
 const {SpecialSubscription} = require("subscriptionClasses");
 const {FilterStorage} = require("filterStorage");
 const {defaultMatcher} = require("matcher");
@@ -160,6 +164,7 @@ exports.logRequest = function(page, url, type, docDomain,
 function logHiddenElements(page, selectors, docDomain)
 {
   let panel = getActivePanel(page);
+  if (panel)
   {
     for (let subscription of FilterStorage.subscriptions)
     {
@@ -168,7 +173,8 @@ function logHiddenElements(page, selectors, docDomain)
 
       for (let filter of subscription.filters)
       {
-        if (!(filter instanceof ElemHideFilter))
+        if (!(filter instanceof ElemHideFilter) &&
+            !(filter instanceof ElemHideEmulationFilter))
           continue;
         if (selectors.indexOf(filter.selector) == -1)
           continue;