Clean up SessionStateDelegate in chrome

components/session_manager/core/session_manager.cc

Index: components/session_manager/core/session_manager.cc
diff --git a/components/session_manager/core/session_manager.cc b/components/session_manager/core/session_manager.cc
index db1c229a7688154e1b7667e3caed4dc8e28f6c6c..8a0ecfe7764f76fb78509f249f41c63b0e3137f3 100644
--- a/components/session_manager/core/session_manager.cc
+++ b/components/session_manager/core/session_manager.cc
@@ -62,6 +62,19 @@ void SessionManager::SessionStarted() {
   session_started_ = true;
 }
 
+bool SessionManager::IsInSecondaryLoginScreen() const {
+  return session_state_ == session_manager::SessionState::LOGIN_SECONDARY;

[James Cook, 2017/01/06 23:52:43]

nit: I don't think session_manager:: is needed here or below

[xiyuan, 2017/01/07 00:07:32]

Right. Remove here the Line 70.

+}
+
+bool SessionManager::IsScreenLocked() const {
+  return session_state_ == session_manager::SessionState::LOCKED;
+}
+
+uint32_t SessionManager::GetMaximumNumberOfUserSessions() const {
+  // Limits the number of logged in users to 10 due to memory constraints.
+  return 10u;
+}
+
 void SessionManager::AddObserver(SessionManagerObserver* observer) {
   observers_.AddObserver(observer);
 }