Implements the feature notification for Quick Unlock

chrome/browser/chromeos/preferences.cc

Index: chrome/browser/chromeos/preferences.cc
diff --git a/chrome/browser/chromeos/preferences.cc b/chrome/browser/chromeos/preferences.cc
index b80d87da88d65a4621f054ea2860220111ad6ed8..e3f59c589294841549c4824578ed4baeea6cac5f 100644
--- a/chrome/browser/chromeos/preferences.cc
+++ b/chrome/browser/chromeos/preferences.cc
@@ -318,6 +318,9 @@ void Preferences::RegisterProfilePrefs(
   registry->RegisterInt64Pref(prefs::kHatsLastInteractionTimestamp,
                               base::Time().ToInternalValue());
 
+  registry->RegisterBooleanPref(prefs::kQuickUnlockFeatureNotificationShown,
+                                false);
+
   // We don't sync EOL related prefs because they are device specific.
   registry->RegisterBooleanPref(prefs::kEolNotificationDismissed, false);
   registry->RegisterIntegerPref(prefs::kEolStatus,