Bug 1025723 - [LockScreen][System] Change the old locking events with new window events
bug 1024397 - Hide value selector when receiving 'activityclosing'. r=alive
Merge pull request #20542 from snowmantw/issue1025723

Bug 1025723 - [LockScreen][System] Change the old locking events with new window events
Merge pull request #20609 from nullaus/bug1024397

bug 1024397 - Hide value selector when receiving 'activityclosing'. r=al...