mash: Move //ash/session to //ash/common/session

ash/common/wm/workspace/workspace_layout_manager.cc

Index: ash/common/wm/workspace/workspace_layout_manager.cc
diff --git a/ash/common/wm/workspace/workspace_layout_manager.cc b/ash/common/wm/workspace/workspace_layout_manager.cc
index f88112667e98373445e980ddb3d83558fd9dfba4..7304c365400127795ec93771b85c74c9447bf77f 100644
--- a/ash/common/wm/workspace/workspace_layout_manager.cc
+++ b/ash/common/wm/workspace/workspace_layout_manager.cc
@@ -6,6 +6,7 @@
 
 #include <algorithm>
 
+#include "ash/common/session/session_state_delegate.h"
 #include "ash/common/wm/always_on_top_controller.h"
 #include "ash/common/wm/fullscreen_window_finder.h"
 #include "ash/common/wm/window_positioner.h"
@@ -296,7 +297,7 @@ void WorkspaceLayoutManager::AdjustAllWindowsBoundsForWorkAreaChange(
   // This would happen if the launcher was auto hidden before the login screen
   // was shown and then gets shown when the login screen gets presented.
   if (event->type() == wm::WM_EVENT_WORKAREA_BOUNDS_CHANGED &&
-      shell_->IsScreenLocked())
+      shell_->GetSessionStateDelegate()->IsScreenLocked())
     return;
 
   // If a user plugs an external display into a laptop running Aura the