Rename ArcCustomNotificationView to ArcNotificationContentView

ui/arc/notification/arc_notification_view.h

 // 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.
 
 #ifndef UI_ARC_NOTIFICATION_ARC_NOTIFICATION_VIEW_H_
 #define UI_ARC_NOTIFICATION_ARC_NOTIFICATION_VIEW_H_
 
 #include "base/macros.h"
 #include "ui/message_center/views/message_view.h"
 
 namespace views {
 class Painter;
 }
 
 namespace arc {
 
 class ArcNotificationContentViewDelegate;
 
 // View for custom notification with NOTIFICATION_TYPE_CUSTOM which hosts the
-// ArcCustomNotificationView which shows content of the notification.
+// ArcNotificationContentView which shows content of the notification.
 class ArcNotificationView : public message_center::MessageView {
  public:
   static const char kViewClassName[];
 
   // |content_view| is a view to be hosted in this view.
   ArcNotificationView(
       std::unique_ptr<views::View> content_view,
       std::unique_ptr<ArcNotificationContentViewDelegate> delegate,
       message_center::MessageCenterController* controller,
       const message_center::Notification& notification);
@@ skipping 32 matching lines @@
   std::unique_ptr<ArcNotificationContentViewDelegate> contents_view_delegate_;
 
   std::unique_ptr<views::Painter> focus_painter_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcNotificationView);
 };
 
 }  // namespace arc
 
 #endif  // UI_ARC_NOTIFICATION_ARC_NOTIFICATION_VIEW_H_