Migrate ArcBitmap to use typemapping

ui/arc/notification/arc_notification_manager.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 "ui/arc/notification/arc_notification_manager.h"
 
 #include "ash/common/system/toast/toast_manager.h"
 #include "ash/common/wm_shell.h"
 #include "base/memory/ptr_util.h"
 #include "base/stl_util.h"
@@ skipping 70 matching lines @@
         use_custom_notification
             ? new ArcCustomNotificationItem(this, message_center_, key,
                                             main_profile_id_)
             : new ArcNotificationItem(this, message_center_, key,
                                       main_profile_id_);
     // TODO(yoshiki): Use emplacement for performance when it's available.
     auto result = items_.insert(std::make_pair(key, base::WrapUnique(item)));
     DCHECK(result.second);
     it = result.first;
   }
-  it->second->UpdateWithArcNotificationData(*data);
+  LOG(ERROR) << data->type;

[xiyuan, 2016/09/07 22:09:00]

nit: remove ?

[yoshiki, 2016/09/09 16:45:30]

Done.

+  it->second->UpdateWithArcNotificationData(std::move(data));
 }
 
 void ArcNotificationManager::OnNotificationRemoved(const mojo::String& key) {
   auto it = items_.find(key.get());
   if (it == items_.end()) {
     VLOG(3) << "Android requests to remove a notification (key: " << key
             << "), but it is already gone.";
     return;
   }
 
@@ skipping 152 matching lines @@
   ash::WmShell::Get()->toast_manager()->Show(
       ash::ToastData(data->id, data->text.To<base::string16>(), data->duration,
                      data->dismiss_text.To<base::string16>()));
 }
 
 void ArcNotificationManager::OnToastCancelled(mojom::ArcToastDataPtr data) {
   ash::WmShell::Get()->toast_manager()->Cancel(data->id);
 }
 
 }  // namespace arc