CrOS: Add success/failure indicators for biod methods with no callback.

chromeos/dbus/biod/fake_biod_client.h

 // Copyright 2017 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 CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_
 #define CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_
 
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "chromeos/chromeos_export.h"
@@ skipping 22 matching lines @@
   // BiodClient:
   void Init(dbus::Bus* bus) override;
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
   bool HasObserver(const Observer* observer) const override;
   void StartEnrollSession(const std::string& user_id,
                           const std::string& label,
                           const ObjectPathCallback& callback) override;
   void GetRecordsForUser(const std::string& user_id,
                          const UserRecordsCallback& callback) override;
-  void DestroyAllRecords() override;
+  void DestroyAllRecords(const VoidDBusMethodCallback& callback) override;
   void StartAuthSession(const ObjectPathCallback& callback) override;
   void RequestType(const BiometricTypeCallback& callback) override;
-  void CancelEnrollSession(
-      const dbus::ObjectPath& enroll_session_path) override;
-  void EndAuthSession(const dbus::ObjectPath& auth_session_path) override;
+  void CancelEnrollSession(const dbus::ObjectPath& enroll_session_path,
+                           const VoidDBusMethodCallback& callback) override;
+  void EndAuthSession(const dbus::ObjectPath& auth_session_path,
+                      const VoidDBusMethodCallback& callback) override;
   void SetRecordLabel(const dbus::ObjectPath& record_path,
-                      const std::string& label) override;
-  void RemoveRecord(const dbus::ObjectPath& record_path) override;
+                      const std::string& label,
+                      const VoidDBusMethodCallback& callback) override;
+  void RemoveRecord(const dbus::ObjectPath& record_path,
+                    const VoidDBusMethodCallback& callback) override;
   void RequestRecordLabel(const dbus::ObjectPath& record_path,
                           const LabelCallback& callback) override;
 
  private:
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBiodClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_