Add NetworkConnectionHandler class

chromeos/network/managed_network_configuration_handler.h

Index: chromeos/network/managed_network_configuration_handler.h
diff --git a/chromeos/network/managed_network_configuration_handler.h b/chromeos/network/managed_network_configuration_handler.h
index e563fe48be88230bfda10a35a8284fd6a20555b4..1de31223ebc022f07cccf565f8ac7b82b073c6b6 100644
--- a/chromeos/network/managed_network_configuration_handler.h
+++ b/chromeos/network/managed_network_configuration_handler.h
@@ -88,20 +88,6 @@ class CHROMEOS_EXPORT ManagedNetworkConfigurationHandler {
       const base::Closure& callback,
       const network_handler::ErrorCallback& error_callback) const;
 
-  // Initiates a connection with network that has |service_path|. |callback| is
-  // called if the connection request was successfully handled. That doesn't
-  // mean that the connection was successfully established.
-  void Connect(const std::string& service_path,
-               const base::Closure& callback,
-               const network_handler::ErrorCallback& error_callback) const;
-
-  // Initiates a disconnect with the network at |service_path|. |callback| is
-  // called if the diconnect request was successfully handled. That doesn't mean
-  // that the network is already diconnected.
-  void Disconnect(const std::string& service_path,
-                  const base::Closure& callback,
-                  const network_handler::ErrorCallback& error_callback) const;
-
   // Initially configures an unconfigured network with the given user settings
   // and returns the new identifier to |callback| if successful. Fails if the
   // network was already configured by a call to this function or because of a