Makes ash/mus use RootWindowControllerCommon

ash/aura/wm_window_aura.cc

 // Copyright 2016 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/aura/wm_window_aura.h"
 
 #include "ash/ash_constants.h"
 #include "ash/aura/aura_layout_manager_adapter.h"
 #include "ash/aura/wm_root_window_controller_aura.h"
 #include "ash/aura/wm_shell_aura.h"
+#include "ash/common/shell_window_ids.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_layout_manager.h"
 #include "ash/common/wm_window_observer.h"
 #include "ash/common/wm_window_property.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf_util.h"
 #include "ash/shell.h"
 #include "ash/wm/resize_shadow_controller.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_properties.h"
@@ skipping 16 matching lines @@
 #include "ui/wm/core/easy_resize_window_targeter.h"
 #include "ui/wm/core/visibility_controller.h"
 #include "ui/wm/core/window_util.h"
 
 DECLARE_WINDOW_PROPERTY_TYPE(ash::WmWindowAura*);
 
 namespace ash {
 
 DEFINE_OWNED_WINDOW_PROPERTY_KEY(ash::WmWindowAura, kWmWindowKey, nullptr);
 
+static_assert(aura::Window::kInitialId == kShellWindowId_Invalid,
+              "ids must match");
+
 namespace {
 
 // A tentative class to set the bounds on the window.
 // TODO(oshima): Once all logic is cleaned up, move this to the real layout
 // manager with proper friendship.
 class BoundsSetter : public aura::LayoutManager {
  public:
   BoundsSetter() {}
   ~BoundsSetter() override {}
 
@@ skipping 601 matching lines @@
                                               bool visible) {
   FOR_EACH_OBSERVER(WmWindowObserver, observers_,
                     OnWindowVisibilityChanging(this, visible));
 }
 
 void WmWindowAura::OnWindowTitleChanged(aura::Window* window) {
   FOR_EACH_OBSERVER(WmWindowObserver, observers_, OnWindowTitleChanged(this));
 }
 
 }  // namespace ash