Bug 1506125 - Fix gesture support broken by bug 1506125. r=dao

Differential Revision: https://phabricator.services.mozilla.com/D11478
2018-11-09 14:44:58 +00:00
parent 29483dd4e0
commit d668ea1231
1 changed files with 1 additions and 3 deletions
--- a/browser/base/content/browser-gestureSupport.js
+++ b/browser/base/content/browser-gestureSupport.js
@@ -726,9 +726,7 @@ var gHistorySwipeAnimation = {
   * Adds the boxes that contain the arrows used during the swipe animation.
   */
  _addBoxes: function HSA__addBoxes() {
-    let browserStack =
-      document.getAnonymousElementByAttribute(gBrowser.getPanel(),
-                                              "class", "browserStack");
+    let browserStack = gBrowser.getPanel().querySelector(".browserStack");
    this._container = this._createElement("historySwipeAnimationContainer",
                                          "stack");
    browserStack.appendChild(this._container);