Fix reconnect in case of empty global network policy.

chromeos/network/network_connection_handler.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_NETWORK_NETWORK_CONNECTION_HANDLER_H_
 #define CHROMEOS_NETWORK_NETWORK_CONNECTION_HANDLER_H_
 
 #include <set>
 #include <string>
 
@@ skipping 197 matching lines @@
 
   // If the policy to prevent unmanaged & shared networks to autoconnect is
   // enabled, then disconnect all such networks except wired networks. Does
   // nothing on consecutive calls.
   // This is enforced once after a user logs in 1) to allow mananged networks to
   // autoconnect and 2) to prevent a previous user from foisting a network on
   // the new user. Therefore, this function is called on startup, at login and
   // when the device policy is changed.
   void DisconnectIfPolicyRequires();
 
+  // Disconnects from all unmanaged and shared WiFi networks that are currently
+  // connected or connecting.
+  void DisconnectFromUnmanagedSharedWiFiNetworks();
+
   // Requests a connect to the 'best' available network once after login and
   // after any disconnect required by policy is executed (see
   // DisconnectIfPolicyRequires()). To include networks with client
   // certificates, no request is sent until certificates are loaded. Therefore,
   // this function is called on the initial certificate load and by
   // DisconnectIfPolicyRequires().
   void ConnectToBestNetworkAfterLogin();
 
   // Local references to the associated handler instances.
   CertLoader* cert_loader_;
@@ skipping 18 matching lines @@
   // Whether the handler already requested a 'ConnectToBestNetwork' after login,
   // see ConnectToBestNetworkAfterLogin().
   bool requested_connect_to_best_network_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkConnectionHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_CONNECTION_HANDLER_H_