chromeos: Cleanup class/struct fwd declarations

chromeos/dbus/dbus_clients_browser.h

 // Copyright 2016 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_DBUS_CLIENTS_BROWSER_H_
 #define CHROMEOS_DBUS_DBUS_CLIENTS_BROWSER_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "chromeos/chromeos_export.h"
 
 namespace dbus {
 class Bus;
 }
 
 namespace chromeos {
 
 class ArcObbMounterClient;
 class AuthPolicyClient;
 class CrosDisksClient;
-class CryptohomeClient;
 class DebugDaemonClient;
 class EasyUnlockClient;
 class ImageBurnerClient;
 class ImageLoaderClient;
 class LorgnetteManagerClient;
 class UpstartClient;
 
 // D-Bus clients used only in the browser process.
 // TODO(jamescook): Move this under //chrome/browser. http://crbug.com/647367
 class CHROMEOS_EXPORT DBusClientsBrowser {
@@ skipping 18 matching lines @@
   std::unique_ptr<ImageLoaderClient> image_loader_client_;
   std::unique_ptr<LorgnetteManagerClient> lorgnette_manager_client_;
   std::unique_ptr<UpstartClient> upstart_client_;
 
   DISALLOW_COPY_AND_ASSIGN(DBusClientsBrowser);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_DBUS_CLIENTS_BROWSER_H_