Rename ArcCustomNotificationView to ArcNotificationContentView

ui/arc/notification/arc_notification_delegate.cc

 // Copyright 2017 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_delegate.h"
 
-#include "ui/arc/notification/arc_custom_notification_view.h"
+#include "ui/arc/notification/arc_notification_content_view.h"
 #include "ui/arc/notification/arc_notification_item.h"
 #include "ui/arc/notification/arc_notification_view.h"
 #include "ui/message_center/notification.h"
 #include "ui/message_center/views/message_center_controller.h"
 #include "ui/message_center/views/message_view.h"
 
 namespace arc {
 
 ArcNotificationDelegate::ArcNotificationDelegate(
     base::WeakPtr<ArcNotificationItem> item)
     : item_(item) {
   DCHECK(item_);
 }
 
 ArcNotificationDelegate::~ArcNotificationDelegate() = default;
 
 std::unique_ptr<message_center::MessageView>
 ArcNotificationDelegate::CreateCustomMessageView(
     message_center::MessageCenterController* controller,
     const message_center::Notification& notification) {
   DCHECK(item_);
   DCHECK_EQ(item_->GetNotificationId(), notification.id());
 
-  auto view = base::MakeUnique<ArcCustomNotificationView>(item_.get());
+  auto view = base::MakeUnique<ArcNotificationContentView>(item_.get());
   auto content_view_delegate = view->CreateContentViewDelegate();
   return base::MakeUnique<ArcNotificationView>(std::move(view),
                                                std::move(content_view_delegate),
                                                controller, notification);
 }
 
 void ArcNotificationDelegate::Close(bool by_user) {
   DCHECK(item_);
   item_->Close(by_user);
 }
 
 void ArcNotificationDelegate::Click() {
   DCHECK(item_);
   item_->Click();
 }
 
 }  // namespace arc