Adding "UserAddedToSession" notifier to the SessionStateObserver

chrome/browser/chromeos/login/user_manager_impl.cc

Index: chrome/browser/chromeos/login/user_manager_impl.cc
diff --git a/chrome/browser/chromeos/login/user_manager_impl.cc b/chrome/browser/chromeos/login/user_manager_impl.cc
index c705639b7a8157c588a4f41bfecc7f001bbc8291..c20060a5ed46a24b0c1d8f0c2fe61b93a6c01948 100644
--- a/chrome/browser/chromeos/login/user_manager_impl.cc
+++ b/chrome/browser/chromeos/login/user_manager_impl.cc
@@ -359,6 +359,7 @@ void UserManagerImpl::UserLoggedIn(const std::string& email,
     is_current_user_new_ = false;
     // Set active user wallpaper back.
     WallpaperManager::Get()->SetUserWallpaper(active_user_->email());
+    NotifyUserAddedToSession(user);
     return;
   }
 
@@ -1864,6 +1865,13 @@ void UserManagerImpl::NotifyActiveUserChanged(const User* active_user) {
                     ActiveUserChanged(active_user));
 }
 
+void UserManagerImpl::NotifyUserAddedToSession(const User* added_user) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  FOR_EACH_OBSERVER(UserManager::UserSessionStateObserver,
+                    session_state_observer_list_,
+                    UserAddedToSession(added_user));
+}
+
 void UserManagerImpl::NotifyActiveUserHashChanged(const std::string& hash) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   FOR_EACH_OBSERVER(UserManager::UserSessionStateObserver,