Introduce RemoveIBusEngineService.

chromeos/dbus/dbus_thread_manager.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 CHROMEOS_DBUS_DBUS_THREAD_MANAGER_H_
 #define CHROMEOS_DBUS_DBUS_THREAD_MANAGER_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 226 matching lines @@
 
   // Returns the ibus engine factory service, owned by DBusThreadManager. Do not
   // cache this pointer and use it after DBusThreadManager is shut down.
   virtual IBusEngineFactoryService* GetIBusEngineFactoryService() = 0;
 
   // Returns the ibus engine service, owned by DBusThreadManager. Do not cache
   // this pointer and use it after DBusThreadManager is shut down.
   virtual IBusEngineService* GetIBusEngineService(
       const dbus::ObjectPath& object_path) = 0;
 
+  // Removes the ibus engine services for |object_path|.
+  virtual void RemoveIBusEngineService(const dbus::ObjectPath& object_path) = 0;
+
   virtual ~DBusThreadManager();
 
  protected:
   DBusThreadManager();
 
   DISALLOW_COPY_AND_ASSIGN(DBusThreadManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_DBUS_THREAD_MANAGER_H_