Only show G+ promo for users logged into G+

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
===================================================================
--- chrome/common/pref_names.cc	(revision 111558)
+++ chrome/common/pref_names.cc	(working copy)
@@ -1266,6 +1266,12 @@
 // Last time of update of promo_resource_cache.
 const char kNTPPromoResourceCacheUpdate[] = "ntp.promo_resource_cache_update";
 
+// Is user logged into G+ (used for G+ extension promo).
+const char kNTPPromoIsLoggedInToPlus[] = "ntp.promo_is_logged_in_to_plus";
+
+// Bit mask used to decide when to show the NTP Promo.
+const char kNTPPromoFeatureMask[] = "ntp.promo_feature_mask";
+
 // Serves promo resources for the NTP.
 const char kNTPPromoResourceServer[] = "ntp.web_resource_server";