Add ash SessionStateDelegate

ash/wm/workspace/workspace_layout_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/workspace/workspace_layout_manager.h"
 
 #include "ash/ash_switches.h"
 #include "ash/screen_ash.h"
+#include "ash/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/wm/always_on_top_controller.h"
 #include "ash/wm/base_layout_manager.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/workspace.h"
 #include "ash/wm/workspace/workspace_manager.h"
 #include "ash/wm/workspace/workspace_window_resizer.h"
 #include "base/auto_reset.h"
@@ skipping 262 matching lines @@
         workspace_, window, last_show_state, cloned_layer);
   }
 }
 
 void WorkspaceLayoutManager::AdjustWindowSizesForScreenChange(
     AdjustWindowReason reason) {
   // Don't do any adjustments of the insets while we are in screen locked mode.
   // 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 (reason == ADJUST_WINDOW_DISPLAY_INSETS_CHANGED &&
-      Shell::GetInstance()->IsScreenLocked())
+      Shell::GetInstance()->session_state_delegate()->IsScreenLocked())
     return;
   work_area_ = ScreenAsh::GetDisplayWorkAreaBoundsInParent(
       workspace_->window()->parent());
   // If a user plugs an external display into a laptop running Aura the
   // display size will change.  Maximized windows need to resize to match.
   // We also do this when developers running Aura on a desktop manually resize
   // the host window.
   // We also need to do this when the work area insets changes.
   for (WindowSet::const_iterator it = windows_.begin();
        it != windows_.end();
@@ skipping 83 matching lines @@
   }
   return false;
 }
 
 WorkspaceManager* WorkspaceLayoutManager::workspace_manager() {
   return workspace_->workspace_manager();
 }
 
 }  // namespace internal
 }  // namespace ash