Issue 3228 - Unbreak object tabs

lib/child/requestNotifier.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 348 matching lines @@
  * Retrieves the statistics for a window.
  * @return {Object} Object with the properties items, blocked, whitelisted, hidden, filters containing statistics for the window (might be null)
  */
 RequestNotifier.getWindowStatistics = function(/**Window*/ wnd)
 {
   if (windowStats.has(wnd.document))
     return windowStats.get(wnd.document);
   else
     return null;
 }
+
+/**
+ * Retrieves the request data associated with a DOM node.
+ * @param {Node} node
+ * @param {Boolean} noParent  if missing or false, the search will extend to the parent nodes until one is found that has data associated with it
+ * @param {Integer} [type] request type to be looking for
+ * @param {String} [location] request location to be looking for
+ * @result {[Node, Object]}
+ * @static
+ */
+RequestNotifier.getDataForNode = function(node, noParent, type, location)
+{
+  while (node)
+  {
+    let data = nodeData.get(node);
+    if (typeof data != "undefined")
+    {
+      let entry = null;
+      // Look for matching entry
+      for (let k in data)
+      {
+        if ((!entry || entry.id < data[k].id) &&
+            (typeof type == "undefined" || data[k].type == type) &&
+            (typeof location == "undefined" || data[k].location == location))
+        {
+          entry = data[k];
+        }
+      }
+      if (entry)
+        return [node, entry];
+    }
+
+    // If we don't have any match on this node then maybe its parent will do
+    if ((typeof noParent != "boolean" || !noParent) &&
+        node.parentNode instanceof Ci.nsIDOMElement)
+    {
+      node = node.parentNode;
+    }
+    else
+    {
+      node = null;
+    }
+  }
+
+  return null;
+};