Update system tray if vpn networks appear

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/system_tray_bubble.h"
@@ skipping 94 matching lines @@
   // Temporarily hides/unhides the notification bubble.
   void SetHideNotifications(bool hidden);
 
   // Returns true if the launcher should be forced visible when auto-hidden.
   bool ShouldShowLauncher() const;
 
   // Returns true if there is a system bubble (already visible or in the process
   // of being created).
   bool HasSystemBubble() const;
 
+  // Returns true if the system_bubble_ exists and is of type |type|.
+  bool HasSystemBubbleType(internal::SystemTrayBubble::BubbleType type);
+
   // Returns a pointer to the system bubble or NULL if none.
   internal::SystemTrayBubble* GetSystemBubble();
 
   // Returns true if any bubble is visible.
   bool IsAnyBubbleVisible() const;
 
   // Returns true if the mouse is inside the notification bubble.
   bool IsMouseInNotificationBubble() const;
 
   // Accessors for testing.
@@ skipping 20 matching lines @@
   virtual void HideBubble(const views::TrayBubbleView* bubble_view) OVERRIDE;
 
   internal::TrayAccessibility* GetTrayAccessibilityForTest() {
     return tray_accessibility_;
   }
 
  private:
   // Creates the default set of items for the sytem tray.
   void CreateItems(SystemTrayDelegate* delegate);
 
-  // Returns true if the system_bubble_ exists and is of type |type|.
-  bool HasSystemBubbleType(internal::SystemTrayBubble::BubbleType type);
-
   // Resets |system_bubble_| and clears any related state.
   void DestroySystemBubble();
 
   // Resets |notification_bubble_| and clears any related state.
   void DestroyNotificationBubble();
 
   // 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;
 
@@ skipping 42 matching lines @@
   bool hide_notifications_;
 
   internal::TrayAccessibility* tray_accessibility_;  // not owned
 
   DISALLOW_COPY_AND_ASSIGN(SystemTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_