Tether: Display a 'setup required' notification when appropriate.

chromeos/components/tether/tether_connector.h

Index: chromeos/components/tether/tether_connector.h
diff --git a/chromeos/components/tether/tether_connector.h b/chromeos/components/tether/tether_connector.h
index 9f7f591960131937eb61d9836f3dd6e249461bcb..5498f893b6ca6a758e0ac31f47282f408bde6946 100644
--- a/chromeos/components/tether/tether_connector.h
+++ b/chromeos/components/tether/tether_connector.h
@@ -19,6 +19,8 @@ namespace tether {
 class ActiveHost;
 class BleConnectionManager;
 class DeviceIdTetherNetworkGuidMap;
+class HostScanCache;
+class NotificationPresenter;
 class TetherHostFetcher;
 class TetherHostResponseRecorder;
 class WifiHotspotConnector;
@@ -37,7 +39,9 @@ class TetherConnector : public ConnectTetheringOperation::Observer {
       TetherHostFetcher* tether_host_fetcher,
       BleConnectionManager* connection_manager,
       TetherHostResponseRecorder* tether_host_response_recorder,
-      DeviceIdTetherNetworkGuidMap* device_id_tether_network_guid_map);
+      DeviceIdTetherNetworkGuidMap* device_id_tether_network_guid_map,
+      HostScanCache* host_scan_cache,
+      NotificationPresenter* notification_presenter);
   virtual ~TetherConnector();
 
   virtual void ConnectToNetwork(
@@ -78,6 +82,8 @@ class TetherConnector : public ConnectTetheringOperation::Observer {
   BleConnectionManager* connection_manager_;
   TetherHostResponseRecorder* tether_host_response_recorder_;
   DeviceIdTetherNetworkGuidMap* device_id_tether_network_guid_map_;
+  HostScanCache* host_scan_cache_;
+  NotificationPresenter* notification_presenter_;
 
   std::string device_id_pending_connection_;
   base::Closure success_callback_;