Bug 1090810 - [Stingray] add SettingsCache to smart system
Merge pull request #25641 from huchengtw-moz/bug-1090810-use-settings-cache

Bug 1090810 - [Stingray] add SettingsCache to smart system, r=rexboy
Bug 1093128 - Fix checking for the viewer to open when the user clicks a link to protected content