[ash] Wrong LauncherItem state when overflow bubble is shown

ash/shelf/overflow_bubble.h

 // Copyright 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 ASH_SHELF_OVERFLOW_BUBBLE_H_
 #define ASH_SHELF_OVERFLOW_BUBBLE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "ui/base/events/event_handler.h"
 #include "ui/views/widget/widget_observer.h"
 
 namespace views {
 class View;
 }
 
 namespace ash {
 
 class LauncherDelegate;
 class LauncherModel;
 
 namespace internal {
 
 class LauncherView;
 
 // OverflowBubble displays the overflown launcher items in a bubble.
-class OverflowBubble : public views::WidgetObserver {
+class OverflowBubble : public ui::EventHandler,
+                       public views::WidgetObserver {
  public:
   OverflowBubble();
   virtual ~OverflowBubble();
 
   // Shows an bubble pointing to |anchor| with |launcher_view| as its content.
   void Show(views::View* anchor, LauncherView* launcher_view);
 
   void Hide();
 
   bool IsShowing() const { return !!bubble_; }
   LauncherView* launcher_view() { return launcher_view_; }
 
  private:
+  // Overridden from ui::EventHandler:
+  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
+  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
+
   // Overridden from views::WidgetObserver:
   virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
 
   views::View* bubble_;  // Owned by views hierarchy.
+  views::View* anchor_;  // Owned by LauncherView.
   LauncherView* launcher_view_;  // Owned by |bubble_|.
 
   DISALLOW_COPY_AND_ASSIGN(OverflowBubble);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SHELF_OVERFLOW_BUBBLE_H_