Issue 154 - Added devtools panel showing blocked and blockable items

include.preload.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 222 matching lines @@
             break;
           }
         }
 
         if (matched)
           break;
       }
     }
 
     if (matchedSelectors.length > 0)
-      ext.backgroundPage.sendMessage({type: "trace-elemhide", selectors: matchedSelectors});
+      ext.backgroundPage.sendMessage({
+        type: "trace-elemhide",
+        selectors: matchedSelectors
+      });
   },
 
   onTimeout: function()
   {
-    this.checkNodes(changedNodes);
+    this.checkNodes(this.changedNodes);
     this.changedNodes = [];
     this.timeout = null;
   },
 
   observe: function(mutations)
   {
     // Forget previously changed nodes that are no longer in the DOM.
     for (var i = 0; i < this.changedNodes.length; i++)
     {
       if (!this.document.contains(this.changedNodes[i]))
@@ skipping 240 matching lines @@
       tracer = null;
 
       if (style && style.parentElement)
         style.parentElement.removeChild(style);
       style = null;
 
       addElemHideSelectors(selectors.selectors);
       propertyFilters.apply();
 
       if (selectors.trace)
-        tracer = new ElementHidingTracer(document, selectors);
+        tracer = new ElementHidingTracer(document, selectors.selectors);
     };
 
     ext.backgroundPage.sendMessage({type: "get-selectors"}, function(response)
     {
       selectors = response;
       checkLoaded();
     });
 
     propertyFilters.load(function()
     {
@@ skipping 29 matching lines @@
           // document_start content scripts (like this one) don't
           // run either in those frames due to https://crbug.com/416907.
           // So we have to apply element hiding from the parent frame.
           if (!("init" in contentWindow))
             init(contentDocument);
 
           // Moreover, "load" and "error" events aren't dispatched for elements
           // in dynamically created frames due to https://crbug.com/442107.
           // So we also have to apply element collpasing from the parent frame.
           if (!contentWindow.collapsing)
-            [].forEach.call(contentDocument.querySelectorAll(Object.keys(typeMap).join(",")), checkCollapse);
+            Array.prototype.forEach.call(
+              contentDocument.querySelectorAll(Object.keys(typeMap).join(",")),
+              checkCollapse
+            );
         }
       }
     }
   }, true);
 
   return updateStylesheet;
 }
 
 if (document instanceof HTMLDocument)
 {
   checkSitekey();
   window.updateStylesheet = init(document);
 }