Add RootWindowController

ash/wm/property_util.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/property_util.h"
 
 #include "ash/ash_export.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/aura_constants.h"
+#include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/rect.h"
 
 namespace ash {
 namespace {
 bool g_default_windows_persist_across_all_workspaces = false;
 }  // namespace
 
 void SetRestoreBounds(aura::Window* window, const gfx::Rect& bounds) {
@@ skipping 44 matching lines @@
     case WINDOW_PERSISTS_ACROSS_ALL_WORKSPACES_VALUE_DEFAULT:
       return g_default_windows_persist_across_all_workspaces;
   }
   return false;
 }
 
 void SetDefaultPersistsAcrossAllWorkspaces(bool value) {
   g_default_windows_persist_across_all_workspaces = value;
 }
 
+internal::RootWindowController* GetRootWindowController(
+    aura::RootWindow* root_window) {
+  return root_window->GetProperty(internal::kRootWindowControllerKey);
 }
+
+void SetRootWindowController(aura::RootWindow* root_window,
+                             internal::RootWindowController* controller) {
+  root_window->SetProperty(internal::kRootWindowControllerKey, controller);
+}
+
+}  // namespace ash