Move message_center::CustomNotificationView to arc::ArcNotificationView

ui/message_center/views/message_view.h

 // 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.
 
 #ifndef UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_
 #define UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/message_center/message_center_export.h"
 #include "ui/message_center/notification.h"
+#include "ui/message_center/notification_delegate.h"
 #include "ui/message_center/views/slide_out_controller.h"
 #include "ui/views/view.h"
 
 namespace views {
 class Painter;
 class ScrollView;
 }
 
 namespace message_center {
 
+class Notification;
 class MessageCenterController;
 
 // Individual notifications constants.
 const int kPaddingBetweenItems = 10;
 const int kPaddingHorizontal = 18;
 const int kWebNotificationButtonWidth = 32;
 const int kWebNotificationIconSize = 40;
 
 // An base class for a notification entry. Contains background and other
 // elements shared by derived notification views.
@@ skipping 79 matching lines @@
   // True if |this| is embedded in another view. Equivalent to |!top_level| in
   // MessageViewFactory parlance.
   bool is_nested_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(MessageView);
 };
 
 }  // namespace message_center
 
 #endif // UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_