Issue 2877 - Element Hiding Helper causes tab to crash when selecting some elements

chrome/content/frameScript.js

 /*

[saroyanm, 2015/08/11 08:41:50]

Did this file exist ? 
I can't find it ->
https://hg.adblockplus.org/adblockplus/file/a4ae1a0386a0/chrome/content

[Wladimir Palant, 2015/08/11 10:05:18]

Wrong repository,
https://hg.adblockplus.org/elemhidehelper/file/1424869523d1/chrome/content/fr...

[saroyanm, 2015/08/11 13:50:14]

Ah right :)

  * This Source Code is subject to the terms of the Mozilla Public License
  * version 2.0 (the "License"). You can obtain a copy of the License at
  * http://mozilla.org/MPL/2.0/.
  */
 
 (function()
 {
   const Cu = Components.utils;
 
   let rand = Components.stack.filename.replace(/.*\?/, "");
   let module = "chrome://elemhidehelper/content/actor.jsm?" + rand;
   let {shutdown, getNodeInfo, togglePreview, forgetNode} = Cu.import(module, {});
 
   addMessageListener("ElemHideHelper:Shutdown", onShutdown);
   addMessageListener("ElemHideHelper:GetNodeInfo", onGetNodeInfo);
   addMessageListener("ElemHideHelper:Preview", onTogglePreview);
 
   function onShutdown()
   {
     shutdown();
     Cu.unload(module);
     removeMessageListener("ElemHideHelper:Shutdown", onShutdown);
     removeMessageListener("ElemHideHelper:GetNodeInfo", onGetNodeInfo);
     removeMessageListener("ElemHideHelper:Preview", onTogglePreview);
   }
 
   function onGetNodeInfo(message)
   {
     let nodeInfo = getNodeInfo(message.objects.element);
-    message.objects.callback(JSON.stringify(nodeInfo));
+    nodeInfo.messageId = message.data;
+    sendAsyncMessage("ElemHideHelper:GetNodeInfo:Response", nodeInfo);
   }
 
   function onTogglePreview(message)
   {
     togglePreview(message.data.nodeID, message.data.stylesheetData);
     if (message.data.forgetNode)
       forgetNode(message.data.nodeID);
   }
 })();