ash: Use session_manager::SessionState

ash/common/shelf/shelf_locking_manager.cc

Index: ash/common/shelf/shelf_locking_manager.cc
diff --git a/ash/common/shelf/shelf_locking_manager.cc b/ash/common/shelf/shelf_locking_manager.cc
index 05cc9ac9b34ea4edfc2683e373840a9be8a7a1a8..bf2f085cd8f12fca7789a2ff2287d5bb7aef27ab 100644
--- a/ash/common/shelf/shelf_locking_manager.cc
+++ b/ash/common/shelf/shelf_locking_manager.cc
@@ -13,8 +13,7 @@ namespace ash {
 ShelfLockingManager::ShelfLockingManager(WmShelf* shelf) : shelf_(shelf) {
   WmShell::Get()->AddLockStateObserver(this);
   SessionStateDelegate* delegate = WmShell::Get()->GetSessionStateDelegate();
-  session_locked_ =
-      delegate->GetSessionState() != SessionStateDelegate::SESSION_STATE_ACTIVE;
+  session_locked_ = delegate->GetSessionState() != SessionState::ACTIVE;
   screen_locked_ = delegate->IsScreenLocked();
   delegate->AddSessionStateObserver(this);
   WmShell::Get()->AddShellObserver(this);
@@ -31,9 +30,8 @@ void ShelfLockingManager::OnLockStateChanged(bool locked) {
   UpdateLockedState();
 }
 
-void ShelfLockingManager::SessionStateChanged(
-    SessionStateDelegate::SessionState state) {
-  session_locked_ = state != SessionStateDelegate::SESSION_STATE_ACTIVE;
+void ShelfLockingManager::SessionStateChanged(SessionState state) {
+  session_locked_ = state != SessionState::ACTIVE;
   UpdateLockedState();
 }