Removing FRE UI for unicorn accounts.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 934c107a99d24eece3f4ec374deb9f8f9c794af2..61151eb1ef3ebcc5937aa2d18c2b105e5fd5e473 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -12,6 +12,11 @@ namespace prefs {
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
 
+
+// A bool pref that keeps whether the child status for this profile was already
+// successfully checked via ChildAccountService.
+const char kChildAccountStatusKnown[] = "child_account_status_known";
+
 // A string property indicating whether default apps should be installed
 // in this profile.  Use the value "install" to enable defaults apps, or
 // "noinstall" to disable them.  This property is usually set in the