Implement message center on Windows

ui/message_center/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_MESSAGE_VIEW_H_
 #define UI_MESSAGE_CENTER_MESSAGE_VIEW_H_
 
 #include "ui/message_center/notification_list.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/slide_out_view.h"
 #include "ui/views/view.h"
 
 namespace views {
 class ImageButton;
 class ScrollView;
 }
 
 namespace message_center {
 
+#ifdef USE_AURA
+typedef views::SlideOutView MessageViewBase;
+#else
+typedef views::View MessageViewBase;
+#endif
+
 // Individual notifications constants.
 const int kPaddingBetweenItems = 10;
 const int kPaddingHorizontal = 18;
 const int kWebNotificationButtonWidth = 32;
 const int kWebNotificationIconSize = 40;
 const int kWebNotificationWidth = 300;
 
 // An abstract class that forms the basis of a view for a notification entry.
-class MessageView : public views::SlideOutView,
-                    public views::ButtonListener {
+class MessageView
+    : public views::ButtonListener,
+      public MessageViewBase {
  public:
   MessageView(NotificationList::Delegate* list_delegate,
               const NotificationList::Notification& notification);
 
   virtual ~MessageView();
 
   // Creates the elements that make up the view layout. Must be called
   // immediately after construction.
   virtual void SetUpView() = 0;
 
   void set_scroller(views::ScrollView* scroller) { scroller_ = scroller; }
 
   // Overridden from views::View.
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
 
   // Overridden from ui::EventHandler.
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 
   // Overridden from ButtonListener.
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
  protected:
   MessageView();
 
   // Shows the menu for the notification.
   void ShowMenu(gfx::Point screen_location);
 
+#ifdef USE_AURA
   // Overridden from views::SlideOutView.
   virtual void OnSlideOut() OVERRIDE;
+#endif
 
   NotificationList::Delegate* list_delegate_;
   NotificationList::Notification notification_;
   views::ImageButton* close_button_;
 
   views::ScrollView* scroller_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageView);
 };
 
 }  // namespace message_center
 
 #endif // UI_MESSAGE_CENTER_MESSAGE_VIEW_H_