Revert 194578 "Add ash SessionStateDelegate"

trunk/src/ash/wm/stacking_controller.cc

Index: trunk/src/ash/wm/stacking_controller.cc
===================================================================
--- trunk/src/ash/wm/stacking_controller.cc	(revision 194588)
+++ trunk/src/ash/wm/stacking_controller.cc	(working copy)
@@ -5,8 +5,8 @@
 #include "ash/wm/stacking_controller.h"
 
 #include "ash/display/display_controller.h"
-#include "ash/session_state_delegate.h"
 #include "ash/shell.h"
+#include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/always_on_top_controller.h"
 #include "ash/wm/coordinate_conversion.h"
@@ -119,9 +119,8 @@
 
   // If screen lock is not active and user session is active,
   // all modal windows are placed into the normal modal container.
-  if (!Shell::GetInstance()->session_state_delegate()->IsScreenLocked() &&
-      Shell::GetInstance()->session_state_delegate()->
-          IsActiveUserSessionStarted()) {
+  if (!Shell::GetInstance()->delegate()->IsScreenLocked() &&
+      Shell::GetInstance()->delegate()->IsSessionStarted()) {
     return GetContainerById(root,
                             internal::kShellWindowId_SystemModalContainer);
   }