chromeos: converts ash devtools to aura::Window

ui/wm/public/activation_client.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 "ui/wm/public/activation_client.h"
 
 #include "ui/aura/window.h"
 #include "ui/base/class_property.h"
 
 DECLARE_EXPORTED_UI_CLASS_PROPERTY_TYPE(AURA_EXPORT, aura::Window*)
 DECLARE_UI_CLASS_PROPERTY_TYPE(aura::client::ActivationClient*)
 
 namespace aura {
 namespace client {
 
 DEFINE_UI_CLASS_PROPERTY_KEY(
     ActivationClient*, kRootWindowActivationClientKey, NULL);
 DEFINE_UI_CLASS_PROPERTY_KEY(bool, kHideOnDeactivate, false);
 
 void SetActivationClient(Window* root_window, ActivationClient* client) {
   root_window->SetProperty(kRootWindowActivationClientKey, client);
 }
 
+const ActivationClient* GetActivationClient(const Window* root_window) {
+  return root_window ? root_window->GetProperty(kRootWindowActivationClientKey)
+                     : nullptr;
+}
+
 ActivationClient* GetActivationClient(Window* root_window) {
-  return root_window ?
-      root_window->GetProperty(kRootWindowActivationClientKey) : NULL;
+  return root_window ? root_window->GetProperty(kRootWindowActivationClientKey)
+                     : nullptr;
 }
 
 void SetHideOnDeactivate(Window* window, bool hide_on_deactivate) {
   window->SetProperty(kHideOnDeactivate, hide_on_deactivate);
 }
 
 bool GetHideOnDeactivate(Window* window) {
   return window->GetProperty(kHideOnDeactivate);
 }
 
 }  // namespace client
 }  // namespace aura