Add Refresh{Device,User}Policies methods into AuthPolicyClient

chromeos/dbus/auth_policy_client.h

Index: chromeos/dbus/auth_policy_client.h
diff --git a/chromeos/dbus/auth_policy_client.h b/chromeos/dbus/auth_policy_client.h
index 550edea4e9eb75ecb573fdaf59f6d078a4ff1d69..740d6af3bd2ebfbeff215c48edfde2b3a19c9de9 100644
--- a/chromeos/dbus/auth_policy_client.h
+++ b/chromeos/dbus/auth_policy_client.h
@@ -29,6 +29,7 @@ namespace chromeos {
 class CHROMEOS_EXPORT AuthPolicyClient : public DBusClient {
  public:
   using JoinCallback = base::Callback<void(int error_code)>;
+  using RefreshPolicyCallback = base::Callback<void(bool success)>;
 
   ~AuthPolicyClient() override;
 
@@ -36,17 +37,28 @@ class CHROMEOS_EXPORT AuthPolicyClient : public DBusClient {
   // For normal usage, access the singleton via DBusThreadManager::Get().
   static AuthPolicyClient* Create();
 
-  // TODO(rsorokin): Write more descriptive comment.
-  // Calls JoinADDomain. Uses |machine_name| to join it to the domain. |user|,
-  // |password_fd| are credentials of the AD user which have right to join the
-  // domain. |password_fd| is a file descriptor password is read from.
-  // The caller should close it after the call.
+  // Calls JoinADDomain. It runs "net ads join ..." which joins machine to
+  // Active directory domain.
+  // |machine_name| is a name for a local machine. |user|,
+  // |password_fd| are credentials of the Active directory account which has
+  // right to join the machine to the domain. |password_fd| is a file descriptor
+  // password is read from. The caller should close it after the call.
   // |callback| is called after the method call succeeds.
   virtual void JoinAdDomain(const std::string& machine_name,
                             const std::string& user,
                             int password_fd,
                             const JoinCallback& callback) = 0;
 
+  // Calls RefreshDevicePolicy - handle policy for the device.
+  // Fetch GPO files from Active directory server, parse it, encode it into
+  // protobuf and send to SessionManager. Callback is called after that.
+  virtual void RefreshDevicePolicy(const RefreshPolicyCallback& callback) = 0;
+
+  // Calls RefreshUserPolicy - handle policy for the user specified by
+  // |account_id|. Similar to RefreshDevicePolicy.
+  virtual void RefreshUserPolicy(const std::string& account_id,
+                                 const RefreshPolicyCallback& callback) = 0;
+
  protected:
   // Create() should be used instead.
   AuthPolicyClient();