[mus+ash] Removes WmWindow from ash (app_list, frame, metrics, session, system, wallpaper)

ash/high_contrast/high_contrast_controller.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/high_contrast/high_contrast_controller.h"
 
 #include "ash/shell.h"
-#include "ash/wm_window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/layer.h"
 
 namespace ash {
 
 HighContrastController::HighContrastController() : enabled_(false) {
   Shell::Get()->AddShellObserver(this);
 }
 
 HighContrastController::~HighContrastController() {
@@ skipping 13 matching lines @@
 
 void HighContrastController::UpdateDisplay(aura::Window* root_window) {
   root_window->layer()->SetLayerInverted(enabled_);
 }
 
 void HighContrastController::OnRootWindowAdded(aura::Window* root_window) {
   UpdateDisplay(root_window);
 }
 
 }  // namespace ash