Implements the feature notification for Quick Unlock

chrome/browser/chromeos/login/session/user_session_manager.h

Index: chrome/browser/chromeos/login/session/user_session_manager.h
diff --git a/chrome/browser/chromeos/login/session/user_session_manager.h b/chrome/browser/chromeos/login/session/user_session_manager.h
index 06f51c7c3b4ff19425c94118aaeaf607f80addfb..0b1eb707abacbb9f88c6bc4ba59786bcd8af11a9 100644
--- a/chrome/browser/chromeos/login/session/user_session_manager.h
+++ b/chrome/browser/chromeos/login/session/user_session_manager.h
@@ -16,6 +16,7 @@
 #include "chrome/browser/chromeos/base/locale_util.h"
 #include "chrome/browser/chromeos/eol_notification.h"
 #include "chrome/browser/chromeos/hats/hats_notification_controller.h"
+#include "chrome/browser/chromeos/login/quick_unlock/feature_notification.h"
 #include "chrome/browser/chromeos/login/signin/oauth2_login_manager.h"
 #include "chrome/browser/chromeos/login/signin/token_handle_util.h"
 #include "chromeos/dbus/session_manager_client.h"
@@ -475,6 +476,12 @@ class UserSessionManager
   std::map<Profile*, std::unique_ptr<EolNotification>, ProfileCompare>
       eol_notification_handler_;
 
+  // Per-user-session Quick Unlock Feature Notification
+  std::map<Profile*,
+           scoped_refptr<quickunlock::FeatureNotificationController>,

[jdufault, 2016/07/06 21:06:43]

Will std::unique_ptr work here?

[malaykeshav, 2016/07/07 21:39:22]

unique_ptr would work in place of scoped_ptr but not with scoped_refptr.

[jdufault, 2016/07/07 22:08:01]

Discussed offline, scoped_refptr is needed. A while back all of the scoped_ptr
usages were converted to unique_ptr.

+           ProfileCompare>
+      qu_feature_notification_handler_;
+
   // Manages Easy unlock cryptohome keys.
   std::unique_ptr<EasyUnlockKeyManager> easy_unlock_key_manager_;
   bool running_easy_unlock_key_ops_;