Message center re-organized

ui/message_center/message_center_tray.h

 // Copyright (c) 2013 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_CENTER_TRAY_H_
 #define UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
 
 #include "base/observer_list.h"
 #include "ui/base/models/simple_menu_model.h"
 #include "ui/message_center/message_center_export.h"
@@ skipping 20 matching lines @@
  public:
   MessageCenterTray(MessageCenterTrayDelegate* delegate,
                     message_center::MessageCenter* message_center);
   virtual ~MessageCenterTray();
 
   // Shows or updates the message center bubble and hides the popup bubble.
   // Returns whether the message center is visible after the call, whether or
   // not it was visible before.
   bool ShowMessageCenterBubble();
 
-  // Returns whether the message center was visible before.
+  // Hides the message center if visible and returns whether the message center
+  // was visible before.
   bool HideMessageCenterBubble();
 
+  // Marks the message center as "not visible" (this method will not hide the
+  // message center).
+  void MarkMessageCenterHidden();
+
   void ToggleMessageCenterBubble();
 
   // Causes an update if the popup bubble is already shown.
   void ShowPopupBubble();
 
   // Returns whether the popup was visible before.
   bool HidePopupBubble();
 
   // Toggles the visibility of the settings view in the message center bubble.
   void ShowNotifierSettingsBubble();
@@ skipping 43 matching lines @@
   bool popups_visible_;
   // |delegate_| is a weak pointer that must live longer than MessageCenterTray.
   MessageCenterTrayDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterTray);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_