ash: Use SessionController instead of SessionStateDelegate

ash/common/test/test_system_tray_delegate.cc

Index: ash/common/test/test_system_tray_delegate.cc
diff --git a/ash/common/test/test_system_tray_delegate.cc b/ash/common/test/test_system_tray_delegate.cc
index 84b240c335d27d85ec3bd8857ea224ab6d6c6041..c6d3226f0bf3356f50f97a6c4a7227b8ee8bf053 100644
--- a/ash/common/test/test_system_tray_delegate.cc
+++ b/ash/common/test/test_system_tray_delegate.cc
@@ -7,7 +7,7 @@
 #include <string>
 
 #include "ash/common/login_status.h"
-#include "ash/common/session/session_state_delegate.h"
+#include "ash/common/session/session_controller.h"
 #include "ash/common/wm_shell.h"
 #include "base/time/time.h"
 
@@ -57,11 +57,11 @@ LoginStatus TestSystemTrayDelegate::GetUserLoginStatus() const {
 
   // At new user image screen manager->IsUserLoggedIn() would return true
   // but there's no browser session available yet so use SessionStarted().
-  SessionStateDelegate* delegate = WmShell::Get()->GetSessionStateDelegate();
+  SessionController* controller = WmShell::Get()->session_controller();
 
-  if (!delegate->IsActiveUserSessionStarted())
+  if (!controller->IsActiveUserSessionStarted())
     return LoginStatus::NOT_LOGGED_IN;
-  if (delegate->IsScreenLocked())
+  if (controller->IsScreenLocked())
     return LoginStatus::LOCKED;
   return login_status_;
 }