ash: Merge LoginStatus update code path

ash/shell/example_session_controller_client.cc

Index: ash/shell/example_session_controller_client.cc
diff --git a/ash/shell/example_session_controller_client.cc b/ash/shell/example_session_controller_client.cc
index 9da0c2ae97aea2a468f4bee6c6fdb4b14f02914b..0ed3b98dba2c6f582d8159ce6ed7c3bdc9c9e54b 100644
--- a/ash/shell/example_session_controller_client.cc
+++ b/ash/shell/example_session_controller_client.cc
@@ -36,6 +36,7 @@ ExampleSessionControllerClient* ExampleSessionControllerClient::Get() {
 }
 
 void ExampleSessionControllerClient::Initialize() {
+  InitializeAndBind();

[msw, 2017/04/05 00:15:47]

nit: add a comment?

[xiyuan, 2017/04/05 22:29:07]

Done.

   // ash_shell has 2 users.
   CreatePredefinedUserSessions(2);
 }