Add NetworkStateListDetailedView

ash/system/chromeos/network/network_detailed_view.h

Index: ash/system/chromeos/network/network_detailed_view.h
diff --git a/ash/system/chromeos/network/network_detailed_view.h b/ash/system/chromeos/network/network_detailed_view.h
index f0755d78ca013c5ddc8244974de3547054f941ee..2baa4b2bc1bd7953c387ccfe77ea6127ee3755cd 100644
--- a/ash/system/chromeos/network/network_detailed_view.h
+++ b/ash/system/chromeos/network/network_detailed_view.h
@@ -6,6 +6,7 @@
 #define ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_DETAILED_VIEW_H
 
 #include "ash/system/tray/tray_details_view.h"
+#include "chromeos/network/network_state_handler.h"
 
 namespace ash {
 namespace internal {
@@ -16,15 +17,29 @@ namespace tray {
 // which includes NetworkWifiDetailedView and NetworkListDetailedViewBase.
 class NetworkDetailedView : public TrayDetailsView {
  public:
+  typedef chromeos::NetworkStateHandler::NetworkStateList NetworkStateList;
+
   enum DetailedViewType {
     LIST_VIEW,
+    STATE_LIST_VIEW,
     WIFI_VIEW,
   };
 
   virtual void Init() = 0;
+
   virtual DetailedViewType GetViewType() const = 0;
-  // Updates network data and UI of the detailed view.
-  virtual void Update() = 0;
+
+  // Called when network manager state has changed.
+  // (Generic update for NetworkTray <> AshSystemTrayDelegate interface).
+  virtual void ManagerChanged() = 0;
+
+  // Called when the contents of the network list have changed.
+  // (Called only from TrayNetworkStateObserver).
+  virtual void NetworkListChanged(const NetworkStateList& networks) = 0;
+
+  // Called when a network service property has changed.
+  // (Called only from TrayNetworkStateObserver).
+  virtual void NetworkServiceChanged(const std::string& service_path) = 0;
 
  protected:
   virtual ~NetworkDetailedView() {}