Send policy blobs to session_manager

chrome/browser/policy/device_policy_cache.h

+// Copyright (c) 2011 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_DEVICE_POLICY_CACHE_H_
+#define CHROME_BROWSER_POLICY_DEVICE_POLICY_CACHE_H_
+#pragma once
+
+#include <string>
+
+#include "chrome/browser/chromeos/login/signed_settings.h"
+#include "chrome/browser/chromeos/login/signed_settings_helper.h"
+#include "chrome/browser/policy/cloud_policy_cache_base.h"
+#include "chrome/browser/policy/proto/chrome_device_policy.pb.h"
+
+namespace policy {
+
+class PolicyMap;
+
+namespace em = enterprise_management;
+
+// CloudPolicyCacheBase implementation that persists policy information
+// to ChromeOS' session manager (via SignedSettingsHelper).
+class DevicePolicyCache : public CloudPolicyCacheBase,
+                          public chromeos::SignedSettingsHelper::Callback {
+ public:
+  DevicePolicyCache();
+  virtual ~DevicePolicyCache();
+
+  // CloudPolicyCacheBase implementation:
+  virtual void Load() OVERRIDE;
+  virtual void SetPolicy(const em::PolicyFetchResponse& policy) OVERRIDE;
+  virtual void SetUnmanaged() OVERRIDE;
+
+  // SignedSettingsHelper::Callback implementation:
+  virtual void OnStorePolicyCompleted(
+      chromeos::SignedSettings::ReturnCode code) OVERRIDE;
+  virtual void OnRetrievePolicyCompleted(
+      chromeos::SignedSettings::ReturnCode code,
+      const em::PolicyFetchResponse& policy) OVERRIDE;
+
+ private:
+  friend class DevicePolicyCacheTest;
+
+  // Alternate c'tor allowing tests to mock out the SignedSettingsHelper
+  // singleton.
+  explicit DevicePolicyCache(
+      chromeos::SignedSettingsHelper* signed_settings_helper);
+
+  // CloudPolicyCacheBase implementation:
+  virtual bool DecodePolicyData(const em::PolicyData& policy_data,
+                                PolicyMap* mandatory,
+                                PolicyMap* recommended) OVERRIDE;
+
+  static void DecodeDevicePolicy(const em::ChromeDeviceSettingsProto& policy,
+                                 PolicyMap* mandatory,
+                                 PolicyMap* recommended);
+
+  chromeos::SignedSettingsHelper* signed_settings_helper_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevicePolicyCache);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_POLICY_DEVICE_POLICY_CACHE_H_