Implement FakeAuthPolicyClient::RefreshDevicePolicy()

chromeos/dbus/fake_auth_policy_client.h

 // Copyright (c) 2016 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_DBUS_FAKE_AUTH_POLICY_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_AUTH_POLICY_CLIENT_H_
 
 #include <string>
 
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 
 #include "chromeos/dbus/auth_policy_client.h"
 
 namespace chromeos {
 
 class CHROMEOS_EXPORT FakeAuthPolicyClient : public AuthPolicyClient {
  public:
   FakeAuthPolicyClient();
   ~FakeAuthPolicyClient() override;
 
   // DBusClient overrides.
   void Init(dbus::Bus* bus) override;
   // AuthPolicyClient overrides.
   void JoinAdDomain(const std::string& machine_name,
                     const std::string& user,
                     int password_fd,
                     const JoinCallback& callback) override;
-  void RefreshDevicePolicy(const RefreshPolicyCallback& calllback) override;
+  void RefreshDevicePolicy(const RefreshPolicyCallback& callback) override;
   void RefreshUserPolicy(const std::string& account_id,
-                         const RefreshPolicyCallback& calllback) override;
+                         const RefreshPolicyCallback& callback) override;
 
  private:
+  // Called after the empty device policy file has been written.
+  void OnDevicePolicyFileWritten(const RefreshPolicyCallback& callback,
+                                 bool success);
+
+  base::WeakPtrFactory<FakeAuthPolicyClient> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(FakeAuthPolicyClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_AUTH_POLICY_CLIENT_H_