Issue 154 - Added devtools panel showing blocked and blockable items

background.js

Index: background.js
===================================================================
--- a/background.js
+++ b/background.js
@@ -53,6 +53,7 @@
 var updateIcon = require("icon").updateIcon;
 var initNotifications = require("notificationHelper").initNotifications;
 var showNextNotificationForUrl = require("notificationHelper").showNextNotificationForUrl;
+var devtools = require("devtools");
 
 var seenDataCorruption = false;
 var filterlistsReinitialized = false;
@@ -285,6 +286,7 @@
   {
     case "get-selectors":
       var selectors = [];
+      var trace = devtools && devtools.hasPanel(sender.page);
 
       if (!isFrameWhitelisted(sender.page, sender.frame,
                               RegExpFilter.typeMap.DOCUMENT | RegExpFilter.typeMap.ELEMHIDE))
@@ -313,7 +315,7 @@
         }
       }
 
-      sendResponse(selectors);
+      sendResponse({selectors: selectors, trace: trace});
       break;
     case "should-collapse":
       if (isFrameWhitelisted(sender.page, sender.frame, RegExpFilter.typeMap.DOCUMENT))
@@ -393,6 +395,9 @@
         frame: sender.frame
       }));
       break;
+    case "trace-elemhide":
+      devtools.logHiddenElements(sender.page, msg.selectors, extractHostFromFrame(sender.frame));
+      break;
     case "forward":
       if (sender.page)
       {