Fix accessability for web notification tray.

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 138 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;
 
  private:
   friend class internal::SystemTrayBubble;
 
   // Resets |bubble_| and clears any related state.
   void DestroyBubble();
 
   // Called when the widget associated with |bubble| closes. |bubble| should
   // always == |bubble_|. This triggers destroying |bubble_| and hiding the
   // launcher if necessary.
@@ skipping 16 matching lines @@
                  BubbleCreationType creation_type,
                  int x_offset);
 
   // Constructs or re-constructs |notification_bubble_| and populates it with
   // |notification_items_|, or destroys it if there are no notification items.
   void UpdateNotificationBubble();
 
   // Overridden from internal::ActionableView.
   virtual bool PerformAction(const ui::Event& event) OVERRIDE;
 
-  // Overridden from views::View.
-  virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
-
   // Owned items.
   ScopedVector<SystemTrayItem> items_;
 
   // Pointers to members of |items_|.
   SystemTrayItem* detailed_item_;
   std::vector<SystemTrayItem*> notification_items_;
 
   // Mappings of system tray item and it's view in the tray.
   std::map<SystemTrayItem*, views::View*> tray_item_map_;
 
@@ skipping 26 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_