Update system tray if vpn networks appear

ash/system/tray/system_tray.h

Index: ash/system/tray/system_tray.h
diff --git a/ash/system/tray/system_tray.h b/ash/system/tray/system_tray.h
index b4a5d7a899a58d015cfc6c8d0f3ceb4799ee504f..9080216d6e25d0d7404b1b8ecbea147fa7ef0fa2 100644
--- a/ash/system/tray/system_tray.h
+++ b/ash/system/tray/system_tray.h
@@ -112,6 +112,9 @@ class ASH_EXPORT SystemTray : public internal::TrayBackgroundView,
   // 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();
 
@@ -152,9 +155,6 @@ class ASH_EXPORT SystemTray : public internal::TrayBackgroundView,
   // 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();