am bf9b8e89: am 270de928: Cleanstep required by switching back to JSC in the browser

Merge commit 'bf9b8e8904b930028adaf94c7139b714cef3d641'

* commit 'bf9b8e8904b930028adaf94c7139b714cef3d641':
  Cleanstep required by switching back to JSC in the browser