Introduce RootWindowProperty for RootWindow's properties

ash/root_window_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/root_window_controller.h"
 
 #include <queue>
 #include <vector>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/desktop_background_widget_controller.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/display/display_manager.h"
 #include "ash/focus_cycler.h"
+#include "ash/root_window_property.h"
 #include "ash/session_state_delegate.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_factory.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/tray/system_tray_delegate.h"
@@ skipping 21 matching lines @@
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/drag_drop_client.h"
 #include "ui/aura/client/tooltip_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_observer.h"
 #include "ui/aura/window_tracker.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/models/menu_model.h"
+#include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
 #include "ui/keyboard/keyboard_controller.h"
 #include "ui/keyboard/keyboard_util.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/corewm/capture_controller.h"
 #include "ui/views/corewm/visibility_controller.h"
 #include "ui/views/view_model.h"
 #include "ui/views/view_model_utils.h"
 
 #if defined(OS_CHROMEOS)
@@ skipping 206 matching lines @@
   if (Shell::GetActiveRootWindow() == root_window_) {
     Shell::GetInstance()->set_active_root_window(
         Shell::GetPrimaryRootWindow() == root_window_.get() ?
         NULL : Shell::GetPrimaryRootWindow());
   }
   SetRootWindowController(root_window_.get(), NULL);
   screen_dimmer_.reset();
   workspace_controller_.reset();
   // Forget with the display ID so that display lookup
   // ends up with invalid display.
-  root_window_->ClearProperty(kDisplayIdKey);
+  internal::GetRootWindowProperty(root_window_.get())->display_id =
+      gfx::Display::kInvalidDisplayID;
   // And this root window should no longer process events.
   root_window_->PrepareForShutdown();
 
   system_background_.reset();
 }
 
 SystemModalContainerLayoutManager*
 RootWindowController::GetSystemModalLayoutManager(aura::Window* window) {
   aura::Window* container = NULL;
   if (window) {
@@ skipping 511 matching lines @@
 
 void RootWindowController::OnTouchHudProjectionToggled(bool enabled) {
   if (enabled)
     EnableTouchHudProjection();
   else
     DisableTouchHudProjection();
 }
 
 }  // namespace internal
 }  // namespace ash