Bug 1390209 - Follow-up patch to remove a reference to removed interfaces. r=qdot

MozReview-Commit-ID: LLHItOR1atG

--HG--
extra : rebase_source : 68e5f2d1a07503721d80b3ec480f16ea3a63fe38

Author: vyv03354

mobile/android/chrome/content/browser.js

@@ -7101,7 +7101,7 @@ HTMLContextMenuItem.prototype = Object.create(ContextMenuItem.prototype, {
       }
 
       // If this is a menu item, show a new context menu with the submenu in it
-      if (elt instanceof Ci.nsIDOMHTMLMenuElement) {
+      if (elt instanceof HTMLMenuElement) {
         try {
           NativeWindow.contextmenus.menus = {};
 
@@ -7144,7 +7144,7 @@ HTMLContextMenuItem.prototype = Object.create(ContextMenuItem.prototype, {
         icon: elt.icon,
         label: elt.label,
         disabled: elt.disabled,
-        menu: elt instanceof Ci.nsIDOMHTMLMenuElement
+        menu: elt instanceof HTMLMenuElement
       };
     }
   },