mash: Don't close system tray bubble for clicks in menus/notifications

ash/shelf/overflow_bubble.h

Index: ash/shelf/overflow_bubble.h
diff --git a/ash/shelf/overflow_bubble.h b/ash/shelf/overflow_bubble.h
index 0a9985a6b5257cfcb6d7151155790d7193f8df3f..86d879bab5a52a93fd87bfadcf1049474e93fef2 100644
--- a/ash/shelf/overflow_bubble.h
+++ b/ash/shelf/overflow_bubble.h
@@ -46,10 +46,10 @@ class OverflowBubble : public views::PointerWatcher,
   void ProcessPressedEvent(const gfx::Point& event_location_in_screen);
 
   // views::PointerWatcher:
-  void OnMousePressed(const ui::MouseEvent& event,
-                      const gfx::Point& location_in_screen) override;
-  void OnTouchPressed(const ui::TouchEvent& event,
-                      const gfx::Point& location_in_screen) override;
+  void OnMousePressed(const gfx::Point& location_in_screen,
+                      views::Widget* target) override;
+  void OnTouchPressed(const gfx::Point& location_in_screen,
+                      views::Widget* target) override;
 
   // Overridden from views::WidgetObserver:
   void OnWidgetDestroying(views::Widget* widget) override;