Re-factor Ash Message Center code part 2/4

ash/system/tray/system_tray.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 ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_
 
 #include "ash/ash_export.h"
 #include "ash/system/power/power_supply_status.h"
 #include "ash/system/tray/tray_background_view.h"
@@ skipping 141 matching lines @@
   // Accessors for testing.
 
   // Returns true if the bubble exists.
   bool CloseBubbleForTest() const;
 
   // Overridden from TrayBackgroundView.
   virtual void Initialize() OVERRIDE;
   virtual void SetShelfAlignment(ShelfAlignment alignment) OVERRIDE;
   virtual void AnchorUpdated() OVERRIDE;
   virtual string16 GetAccessibleName() OVERRIDE;
+  virtual void HideBubble(TrayBubbleView* bubble_view) OVERRIDE;
+  virtual bool ClickedOutsideBubble() OVERRIDE;
 
  private:
   friend class internal::SystemTrayBubble;
   friend class internal::TrayGestureHandler;
 
   // Resets |bubble_| and clears any related state.
   void DestroyBubble();
 
   // Resets |notification_bubble_| and clears any related state.
   void DestroyNotificationBubble();
 
-  // Called when the widget associated with |bubble| closes. |bubble| should
-  // always == |bubble_|. This triggers destroying |bubble_| and hiding the
-  // launcher if necessary.
-  void RemoveBubble(internal::SystemTrayBubble* bubble);
-
   const ScopedVector<SystemTrayItem>& items() const { return items_; }
 
   // Calculates the x-offset for the item in the tray. Returns -1 if its tray
   // item view is not visible.
   int GetTrayXOffset(SystemTrayItem* item) const;
 
   // Shows the default view and its arrow position is shifted by |x_offset|.
   void ShowDefaultViewWithOffset(BubbleCreationType creation_type,
                                  int x_offset);
 
@@ skipping 50 matching lines @@
   // Set to true when system notifications should be hidden (e.g. web
   // notification bubble is visible).
   bool hide_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_