Commit a44a1283 authored by Drew Willcoxon's avatar Drew Willcoxon
Browse files

Bug 933984 - Fix "this._mutationObserver is undefined" error on new tab page. r=gavin, a=bajaj

parent 52f2a814

browser/base/content/newtab/page.js

+2 −1
Original line number Diff line number Diff line
@@ -146,6 +146,7 @@ let gPage = { 
  handleEvent: function Page_handleEvent(aEvent) {

    switch (aEvent.type) {

      case "unload":

        if (this._mutationObserver)

          this._mutationObserver.disconnect();

        gAllPages.unregister(this);

        break;