Trigger ConnectToBestNetwork in more cases.

chromeos/network/network_policy_observer.h

 // Copyright 2013 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_POLICY_OBSERVER_H_
 #define CHROMEOS_NETWORK_NETWORK_POLICY_OBSERVER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace chromeos {
 
 class NetworkPolicyObserver {
  public:
-  // Called when the policy for |userhash| was set (also when it was updated).
-  // Note that the policy might not have been applied yet at that time.
-  // An empty |userhash| designates the device policy.
-  virtual void PolicyChanged(const std::string& userhash) {}
+  // Called when the policies for |userhash| were set (also when they were
+  // updated). An empty |userhash| designates the device policy.
+  // Note that the policies might be empty and might not have been applied yet
+  // at that time.
+  virtual void PoliciesChanged(const std::string& userhash) {}
 
   // Called every time a policy application for |userhash| finished. This is
   // only called once no more policies are pending for |userhash|.
   virtual void PoliciesApplied(const std::string& userhash) {}
 
   // Called every time a network is created or updated because of a policy.
   virtual void PolicyAppliedToNetwork(const std::string& service_path) {}
 
  protected:
   virtual ~NetworkPolicyObserver() {}
 
  private:
   DISALLOW_ASSIGN(NetworkPolicyObserver);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_POLICY_OBSERVER_H_