Adds WmWindow and converts WindowState to use it

ash/shelf/shelf_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/shelf/shelf_layout_manager.h"
 
 #include <algorithm>
 #include <cmath>
 #include <cstring>
 #include <string>
@@ skipping 10 matching lines @@
 #include "ash/shelf/shelf_layout_manager_observer.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/wm/gestures/shelf_gesture_handler.h"
 #include "ash/wm/lock_state_controller.h"
 #include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_state.h"
+#include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/mus/mus_util.h"
@@ skipping 1075 matching lines @@
 
 void ShelfLayoutManager::UpdateShelfVisibilityAfterLoginUIChange() {
   UpdateVisibilityState();
   LayoutShelf();
   // The shelf alignment may have changed when it was unlocked.
   Shell::GetInstance()->OnShelfAlignmentChanged(
       shelf_->GetNativeWindow()->GetRootWindow());
 }
 
 }  // namespace ash