Add TechnologyState to NetworkStateHandler.

ash/system/chromeos/network/network_state_list_detailed_view.h

Index: ash/system/chromeos/network/network_state_list_detailed_view.h
diff --git a/ash/system/chromeos/network/network_state_list_detailed_view.h b/ash/system/chromeos/network/network_state_list_detailed_view.h
index b5daf791f173874f17a9d30012d2f1a3cb16b359..f5b9a40987a5ff8953896e212092fc990a3db82a 100644
--- a/ash/system/chromeos/network/network_state_list_detailed_view.h
+++ b/ash/system/chromeos/network/network_state_list_detailed_view.h
@@ -87,6 +87,8 @@ class NetworkStateListDetailedView
 
   // Update UI components.
   void UpdateHeaderButtons();
+  void UpdateTechnologyButton(TrayPopupHeaderButton* button,
+                              const std::string& technology);
 
   void UpdateNetworks(const NetworkStateList& networks);
   void UpdateNetworkList();
@@ -113,6 +115,9 @@ class NetworkStateListDetailedView
   // Periodically request a network scan.
   void CallRequestScan();
 
+  // Handle toggile mobile action
+  void ToggleMobile();
+
   // Type of list (all networks or vpn)
   ListType list_type_;