[mus+ash] Removes WmWindow from ash/shelf and ash/shell

ash/wm/panels/panel_window_resizer.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/panels/panel_window_resizer.h"
 
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/public/cpp/window_properties.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shell.h"
 #include "ash/wm/panels/panel_layout_manager.h"
 #include "ash/wm/window_parenting_utils.h"
 #include "ash/wm/window_state.h"
-#include "ash/wm_window.h"
 #include "ui/aura/client/window_parenting_client.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/wm/core/coordinate_conversion.h"
 
 namespace ash {
 
 namespace {
@@ skipping 166 matching lines @@
   // but then canceled the drag we may need to inform the original layout
   // manager that the drag is finished.
   if (initial_panel_container_ != panel_container_)
     PanelLayoutManager::Get(initial_panel_container_)->FinishDragging();
   if (panel_container_)
     GetPanelLayoutManager()->FinishDragging();
 }
 
 void PanelWindowResizer::UpdateLauncherPosition() {
   if (panel_container_) {
-    GetPanelLayoutManager()->shelf()->UpdateIconPositionForPanel(
-        WmWindow::Get(GetTarget()));
+    GetPanelLayoutManager()->shelf()->UpdateIconPositionForPanel(GetTarget());
   }
 }
 
 PanelLayoutManager* PanelWindowResizer::GetPanelLayoutManager() {
   return PanelLayoutManager::Get(panel_container_);
 }
 
 }  // namespace ash