Backed out changeset e2a0e70eb360 a=bustage

browser/base/content/tabview/tabitems.js

@@ -902,7 +902,7 @@ let TabItems = {
 
       if (shouldDefer) {
         if (!this.reconnectingPaused() && !tab._tabViewTabItem._reconnected)
-          tab._tabViewTabItem._reconnect();
+          this._reconnect(tab._tabViewTabItem);          
         if (this._tabsWaitingForUpdate.indexOf(tab) == -1)
           this._tabsWaitingForUpdate.push(tab);
         this.startHeartbeat();