am a8752f9d: am f0daf562: Merge "fix bug causing anchors to fail on preview landing page; exit the onhashchange listener if there\'s no searchbar on the page" into lmp-dev

* commit 'a8752f9defb075c079a73d21bc9e99da26c5a3c9':
  fix bug causing anchors to fail on preview landing page; exit the onhashchange listener if there's no searchbar on the page