Use template specialization to generate WindowProperty code

athena/screen/screen_manager_impl.cc

 // Copyright 2014 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 "athena/screen/screen_manager_impl.h"
 
 #include "athena/input/public/accelerator_manager.h"
 #include "athena/screen/modal_window_controller.h"
 #include "athena/screen/screen_accelerator_handler.h"
 #include "athena/util/container_priorities.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/test/test_screen.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_property.h"
 #include "ui/aura/window_targeter.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
 #include "ui/wm/core/base_focus_rules.h"
 #include "ui/wm/core/capture_controller.h"
 #include "ui/wm/core/default_screen_position_client.h"
 #include "ui/wm/core/focus_controller.h"
 #include "ui/wm/core/window_util.h"
 
-// This is to avoid creating type definitoin for kAlwaysOnTopKey.
-DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(ATHENA_EXPORT, bool);
+DECLARE_WINDOW_PROPERTY_TYPE(athena::ScreenManager::ContainerParams*);
 
 namespace athena {
 namespace {
 
 DEFINE_OWNED_WINDOW_PROPERTY_KEY(ScreenManager::ContainerParams,
                                  kContainerParamsKey,
                                  nullptr);
 
 ScreenManagerImpl* instance = nullptr;
 
@@ skipping 372 matching lines @@
 }
 
 // static
 void ScreenManager::Shutdown() {
   DCHECK(instance);
   delete instance;
   DCHECK(!instance);
 }
 
 }  // namespace athena