Wire up component cloud policy to device local accounts.

chrome/browser/chromeos/policy/device_local_account_policy_service.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_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h"
 #include "chrome/browser/chromeos/policy/device_local_account_external_data_manager.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "components/policy/core/common/cloud/cloud_policy_core.h"
 #include "components/policy/core/common/cloud/cloud_policy_store.h"
 
@@ skipping 17 matching lines @@
 class DeviceLocalAccountPolicyStore;
 class DeviceManagementService;
 
 // The main switching central that downloads, caches, refreshes, etc. policy for
 // a single device-local account.
 class DeviceLocalAccountPolicyBroker {
  public:
   // |task_runner| is the runner for policy refresh tasks.
   DeviceLocalAccountPolicyBroker(
       const DeviceLocalAccount& account,
+      const base::FilePath& component_policy_cache_path,
       scoped_ptr<DeviceLocalAccountPolicyStore> store,
       scoped_refptr<DeviceLocalAccountExternalDataManager>
           external_data_manager,
       const scoped_refptr<base::SequencedTaskRunner>& task_runner);
   ~DeviceLocalAccountPolicyBroker();
 
   // Initialize the broker, loading its |store_|.
   void Initialize();
 
   // For the difference between |account_id| and |user_id|, see the
@@ skipping 18 matching lines @@
       DeviceManagementService* device_management_service,
       scoped_refptr<net::URLRequestContextGetter> request_context);
 
   // Reads the refresh delay from policy and configures the refresh scheduler.
   void UpdateRefreshDelay();
 
   // Retrieves the display name for the account as stored in policy. Returns an
   // empty string if the policy is not present.
   std::string GetDisplayName() const;
 
+  // Returns a directory where component policy for this account can be cached.
+  // The DeviceManagementService takes care of cleaning up caches of accounts
+  // that have been removed.
+  base::FilePath GetComponentPolicyCachePath() const;
+
  private:
   const std::string account_id_;
   const std::string user_id_;
+  const base::FilePath component_policy_cache_path_;
   const scoped_ptr<DeviceLocalAccountPolicyStore> store_;
   scoped_refptr<DeviceLocalAccountExternalDataManager> external_data_manager_;
   scoped_refptr<chromeos::DeviceLocalAccountExternalPolicyLoader>
       extension_loader_;
   CloudPolicyCore core_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceLocalAccountPolicyBroker);
 };
 
 // Manages user policy blobs for device-local accounts present on the device.
 // The actual policy blobs are brokered by session_manager (to prevent file
 // manipulation), and we're making signature checks on the policy blobs to
 // ensure they're issued by the device owner.
 class DeviceLocalAccountPolicyService : public CloudPolicyStore::Observer {
  public:
   // Interface for interested parties to observe policy changes.
   class Observer {
    public:
     virtual ~Observer() {}
 
     // Policy for the given |user_id| has changed.
     virtual void OnPolicyUpdated(const std::string& user_id) = 0;
 
     // The list of accounts has been updated.
     virtual void OnDeviceLocalAccountsChanged() = 0;
+
+    // The given |broken| is about to be destroyed.

[Bernhard Bauer, 2014/06/19 16:59:27]

Nit: "broker"

[Joao da Silva, 2014/06/19 17:04:56]

Done.

+    virtual void OnBrokerShutdown(DeviceLocalAccountPolicyBroker* broker) {}
   };
 
   DeviceLocalAccountPolicyService(
       chromeos::SessionManagerClient* session_manager_client,
       chromeos::DeviceSettingsService* device_settings_service,
       chromeos::CrosSettings* cros_settings,
       scoped_refptr<base::SequencedTaskRunner> store_background_task_runner,
       scoped_refptr<base::SequencedTaskRunner> extension_cache_task_runner,
       scoped_refptr<base::SequencedTaskRunner>
           external_data_service_backend_task_runner,
@@ skipping 95 matching lines @@
   const scoped_refptr<base::SequencedTaskRunner> store_background_task_runner_;
   const scoped_refptr<base::SequencedTaskRunner> extension_cache_task_runner_;
 
   scoped_ptr<DeviceLocalAccountExternalDataService> external_data_service_;
 
   scoped_refptr<net::URLRequestContextGetter> request_context_;
 
   const scoped_ptr<chromeos::CrosSettings::ObserverSubscription>
       local_accounts_subscription_;
 
+  // Path to the directory that contains the cached policies for components
+  // for device local accounts.
+  base::FilePath component_policy_cache_root_;
+
   base::WeakPtrFactory<DeviceLocalAccountPolicyService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceLocalAccountPolicyService);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_SERVICE_H_