[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 2fdf5ec8ccde7a433a87bbac8e844519b33fb528..d728f326abd0a9d1fd66551478f1b304fb122b01 100644
--- a/lib/devtools.js
+++ b/lib/devtools.js
@@ -17,7 +17,13 @@
 
 "use strict";
 
-let {RegExpFilter, WhitelistFilter, ElemHideFilter} = require("filterClasses");
+let {
+  RegExpFilter,
+  WhitelistFilter,
+  ElemHideFilter,
+  ElemHideEmulationFilter
+} = require("filterClasses");
+
 let {SpecialSubscription} = require("subscriptionClasses");
 let {FilterStorage} = require("filterStorage");
 let {defaultMatcher} = require("matcher");
@@ -160,6 +166,7 @@ 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 +175,8 @@ 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;