Bug 830258 - [Webapps] .uninstall() should return "Webapps:Uninstall:Return:KO" when uninstalling a non-removable app (part 1, fix .uninstall()). r=fabrice
Bug 830258 - [Webapps] .uninstall() should return "Webapps:Uninstall:Return:KO" when uninstalling a non-removable app (part 2, provide test case). r=fabrice