Cross Reference: /external/chromium_org/ash/system/chromeos/screen_security

`Name`	`Date`	`Size`
Up to higher level directory
`screen_capture_observer.h`	23-Apr-2015	`841`
`screen_capture_tray_item.cc`	23-Apr-2015	`3K`
`screen_capture_tray_item.h`	23-Apr-2015	`1.5K`
`screen_share_observer.h`	23-Apr-2015	`807`
`screen_share_tray_item.cc`	23-Apr-2015	`3.3K`
`screen_share_tray_item.h`	23-Apr-2015	`1.4K`
`screen_tray_item.cc`	23-Apr-2015	`5.7K`
`screen_tray_item.h`	23-Apr-2015	`4.1K`
`screen_tray_item_unittest.cc`	23-Apr-2015	`7.2K`