Remove old cloud policy code.

chrome/browser/policy/testing_cloud_policy_subsystem.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 CHROME_BROWSER_POLICY_TESTING_CLOUD_POLICY_SUBSYSTEM_H_
-#define CHROME_BROWSER_POLICY_TESTING_CLOUD_POLICY_SUBSYSTEM_H_
-
-#include "chrome/browser/policy/cloud_policy_subsystem.h"
-
-namespace policy {
-
-class CloudPolicyCacheBase;
-class CloudPolicyDataStore;
-class EventLogger;
-
-// A CloudPolicySubsystem for testing: it uses EventLogger to issue delayed
-// tasks with 0 effective delay, and log the times of their executions.
-class TestingCloudPolicySubsystem : public CloudPolicySubsystem {
- public:
-  // Takes ownership of |policy_cache|.
-  TestingCloudPolicySubsystem(CloudPolicyDataStore* data,
-                              CloudPolicyCacheBase* policy_cache,
-                              const std::string& device_management_url,
-                              EventLogger* logger);
-
- private:
-  virtual void CreateDeviceTokenFetcher() OVERRIDE;
-  virtual void CreateCloudPolicyController() OVERRIDE;
-
-  EventLogger* logger_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestingCloudPolicySubsystem);
-};
-
-}  // namespace Policy
-
-#endif  // CHROME_BROWSER_POLICY_TESTING_CLOUD_POLICY_SUBSYSTEM_H_