Refresh policies from DM server periodically

chrome/browser/policy/mock_device_management_backend.h

 // Copyright (c) 2010 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 CHROME_BROWSER_POLICY_MOCK_DEVICE_MANAGEMENT_BACKEND_H_
 #define CHROME_BROWSER_POLICY_MOCK_DEVICE_MANAGEMENT_BACKEND_H_
 #pragma once
 
 #include <map>
 #include <string>
 
 #include "base/values.h"
 #include "chrome/browser/policy/device_management_backend.h"
+#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "testing/gmock/include/gmock/gmock.h"
 
 namespace policy {
 
 namespace em = enterprise_management;
 
 // Useful for unit testing when a server-based backend isn't
 // available. Simulates both successful and failed requests to the device
 // management server.
 class MockDeviceManagementBackend
     : public DeviceManagementBackend {
@@ skipping 16 matching lines @@
 
   MOCK_METHOD4(ProcessPolicyRequest, void(
       const std::string& device_management_token,
       const std::string& device_id,
       const em::DevicePolicyRequest& request,
       DevicePolicyResponseDelegate* delegate));
 
   void AllShouldSucceed();
   void AllShouldFail();
   void UnmanagedDevice();
+  void RegisterFailsOncePolicyFailsTwice();
+  void AllWorksFirstPolicyFailsLater();
 
   void SimulateSuccessfulRegisterRequest(
       const std::string& auth_token,
       const std::string& device_id,
       const em::DeviceRegisterRequest& request,
       DeviceRegisterResponseDelegate* delegate);
 
   void SimulateSuccessfulPolicyRequest(
       const std::string& device_management_token,
       const std::string& device_id,
@@ skipping 17 matching lines @@
       const std::string& device_id,
       const em::DeviceRegisterRequest& request,
       DeviceRegisterResponseDelegate* delegate);
 
   void AddBooleanPolicy(const char* policy_name, bool value);
 
  private:
   em::DevicePolicyResponse policy_response_;
   em::DevicePolicySetting* policy_setting_;
 
+  int policy_remaining_fail_count_;
+  int register_remaining_fail_count_;
+  int policy_remaining_success_count_;
+
   DISALLOW_COPY_AND_ASSIGN(MockDeviceManagementBackend);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_MOCK_DEVICE_MANAGEMENT_BACKEND_H_