[cros, Aura] Make screen_mode static variable in StatusAreaViewChromeos

chrome/browser/chromeos/status/network_menu_button.h

Index: chrome/browser/chromeos/status/network_menu_button.h
diff --git a/chrome/browser/chromeos/status/network_menu_button.h b/chrome/browser/chromeos/status/network_menu_button.h
index 05e5c9ed7d5ff83773e9a7e535168b60a57d860b..1bb51db80b350350bf905e91b85f95ad438668d9 100644
--- a/chrome/browser/chromeos/status/network_menu_button.h
+++ b/chrome/browser/chromeos/status/network_menu_button.h
@@ -16,7 +16,6 @@
 #include "chrome/browser/chromeos/status/network_menu.h"
 #include "chrome/browser/chromeos/status/network_menu_icon.h"
 #include "chrome/browser/chromeos/status/status_area_button.h"
-#include "chrome/browser/chromeos/status/status_area_view_chromeos.h"
 
 class PrefService;
 
@@ -56,8 +55,7 @@ class NetworkMenuButton : public StatusAreaButton,
                           public NetworkLibrary::CellularDataPlanObserver,
                           public MessageBubbleDelegate {
  public:
-  explicit NetworkMenuButton(StatusAreaButton::Delegate* delegate,
-                             StatusAreaViewChromeos::ScreenMode screen_mode);
+  explicit NetworkMenuButton(StatusAreaButton::Delegate* delegate);
   virtual ~NetworkMenuButton();
 
   static void RegisterPrefs(PrefService* local_state);
@@ -135,9 +133,6 @@ class NetworkMenuButton : public StatusAreaButton,
   // Notification bubble for 3G promo.
   MessageBubble* mobile_data_bubble_;
 
-  // Set to true if the browser is visible (i.e. not login/oobe).
-  bool is_browser_mode_;
-
   // True if check for promo needs to be done,
   // otherwise just ignore it for current session.
   bool check_for_promo_;