Bug 872964 - wrong result for getTextBeforeOffset for start word boundary at text length offset, r=tbsaunde
bug 839342. Make metro widget listen for EdgeGestureStarted and EdgeGestureCanceled, in addition to EdgeGestureCompleted. Show the edge UI on EdgeGestureStarted and EdgeGestureCompleted, hide it on EdgeGestureCanceled. This time without bustage! r=bbondy